# Best Enterprise Email Encryption Software

*By [Lauren Worth](https://research.g2.com/insights/author/lauren-worth)*


Products classified in the overall Email Encryption category are similar in many regards and help companies of all sizes solve their business problems. However, enterprise business features, pricing, setup, and installation differ from businesses of other sizes, which is why we match buyers to the right Enterprise Business Email Encryption to fit their needs. Compare product ratings based on reviews from enterprise users or connect with one of G2's buying advisors to find the right solutions within the Enterprise Business Email Encryption category.

In addition to qualifying for inclusion in the Email Encryption Software category, to qualify for inclusion in the Enterprise Business Email Encryption Software category, a product must have at least 10 reviews left by a reviewer from an enterprise business.





## Top Email Encryption Software at a Glance
| # | Product | Rating | Best For | What Users Say |
|---|---------|--------|----------|----------------|
| 1 | [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) | 4.6/5.0 (417 reviews) | Zero-access encrypted email with Swiss jurisdiction | "[Secure, Effective, Simplicity](https://www.g2.com/survey_responses/proton-mail-for-business-review-12826356)" |
| 2 | [Paubox](https://www.g2.com/products/paubox/reviews) | 4.9/5.0 (597 reviews) | Portal-free HIPAA-compliant email encryption | "[HIPAA-Compliant Email Encryption without friction](https://www.g2.com/survey_responses/paubox-review-13114802)" |
| 3 | [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews) | 4.4/5.0 (412 reviews) | Gmail-native toggle-based HIPAA email encryption | "[Effortless Secure Emailing with Virtru](https://www.g2.com/survey_responses/virtru-email-encryption-review-8020917)" |
| 4 | [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) | 4.6/5.0 (589 reviews) | Policy-driven outbound encryption with DLP enforcement | "[Robust Email Security with Some Rule Management Hurdles](https://www.g2.com/survey_responses/proofpoint-core-email-protection-review-12792121)" |
| 5 | [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews) | 4.6/5.0 (487 reviews) | API-native email encryption with DLP enforcement | "[Accuracy Redefined, Perfect for Email Security](https://www.g2.com/survey_responses/check-point-email-security-review-12713186)" |
| 6 | [Proofpoint Email Encryption](https://www.g2.com/products/proofpoint-email-encryption/reviews) | 4.6/5.0 (17 reviews) | Policy-automated email encryption for compliance workflows | "[Proofpoint Email Encryption](https://www.g2.com/survey_responses/proofpoint-email-encryption-review-9019919)" |
| 7 | [FTAPI](https://www.g2.com/products/ftapi/reviews) | 4.8/5.0 (17 reviews) | GDPR-compliant encrypted email with Outlook integration | "[A Secure and User-Friendly Solution for Data Transfer](https://www.g2.com/survey_responses/ftapi-review-11070244)" |
| 8 | [SendSafely](https://www.g2.com/products/sendsafely/reviews) | 4.8/5.0 (51 reviews) | Frictionless encrypted file transfer with workflow integrations | "[Effortless Deployment and Powerful API/Webhooks for Smooth Integrations](https://www.g2.com/survey_responses/sendsafely-review-12863047)" |
| 9 | [Tresorit](https://www.g2.com/products/tresorit/reviews) | 4.5/5.0 (256 reviews) | Zero-knowledge encrypted file sharing with compliance | "[Keeping Important Work Files and Shared Resources Better Organized and Easier to Access](https://www.g2.com/survey_responses/tresorit-review-12881466)" |
| 10 | [Kiteworks](https://www.g2.com/products/kiteworks/reviews) | 4.4/5.0 (120 reviews) | Governed encrypted email with compliance audit trails | "[Secure File Sharing and Email with Strong Encryption and Access Controls](https://www.g2.com/survey_responses/kiteworks-review-12477888)" |


## G2 Grid® for Email Encryption Software
![G2 Grid® for Email Encryption Software plotting products by satisfaction and market presence](https://www.g2.com/categories/email-encryption/grids.png?focus%5B%5D=30562&focus%5B%5D=3675&focus%5B%5D=112257&focus%5B%5D=13912&focus%5B%5D=25519&focus%5B%5D=3601&focus%5B%5D=84242&focus%5B%5D=130480)
Highlighted products: Proofpoint Core Email Protection, Virtru Email Encryption, Check Point Email Security, Proton Mail For Business, Paubox, Kiteworks, SendSafely, and Zivver Email Encryption.
Underlying data: [Grid® JSON](https://www.g2.com/categories/email-encryption/grids.json?focus%5B%5D=proofpoint-core-email-protection&focus%5B%5D=virtru-email-encryption&focus%5B%5D=check-point-email-security&focus%5B%5D=proton-mail-for-business&focus%5B%5D=paubox&focus%5B%5D=kiteworks&focus%5B%5D=sendsafely&focus%5B%5D=zivver-email-encryption&segment=enterprise)


## How Many Email Encryption Software Products Does G2 Track?
**Total Products under this Category:** 86

### Category Stats (Jul 2026)
- **Average Rating**: 4.55/5 The average rating of products in this category, based on all submitted ratings
- **Top Trending Product**: Check Point Email Security (+0.39%) - Among all products in this category, Check Point Email Security recorded the largest rating increase compared to last month
*Last updated: July 19, 2026*


## How Does G2 Rank Email Encryption Software Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 4,100+ Authentic Reviews
- 86+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.



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---

## What Are the Top-Rated Email Encryption Software Products in 2026?
### 1. [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews)
Proofpoint Collaboration Security tackles multichannel, multistage attacks with 99.999% detection accuracy. It identifies and remediates advanced email threats including BEC, ransomware, phishing, ATO, and exec impersonations. The solution blocks threats across email and other digital communication and collaboration platforms, i.e. MS Teams, WhatsApp, Slack, LinkedIn, OneDrive, protecting users anywhere they work, on any device. Customers get protection against both internal and supplier account compromise, and strengthens human resilience against emerging threats. With Proofpoint’s Collaboration Security, customers ensure that interactions with business partners, suppliers, and even AI agents remain trusted and secure.


**Average Rating:** 4.6/5.0
**Total Reviews:** 589
**How Do G2 Users Rate Proofpoint Core Email Protection?**

- **Has the product been a good partner in doing business?:** 9.2/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.5/10 (Category avg: 9.1/10)
- **Ease of Use:** 8.5/10 (Category avg: 9.0/10)

**Who Is the Company Behind Proofpoint Core Email Protection?**

- **Seller:** [Proofpoint](https://www.g2.com/sellers/proofpoint)
- **Company Website:** https://www.proofpoint.com/us
- **Year Founded:** 2002
- **HQ Location:** Sunnyvale, CA
- **Twitter:** @proofpoint (31,157 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/proofpoint (5,146 employees on LinkedIn®)

**Who Uses This Product?**
- **Who Uses This:** Information Security Analyst, IT Security Engineer
- **Top Industries:** Financial Services, Hospital & Health Care
- **Company Size:** 66% Enterprise, 30% Mid-Market


#### What Are Proofpoint Core Email Protection's Pros and Cons?

**Pros:**

- Effective (52 reviews)
- Features (33 reviews)
- Protection (21 reviews)
- Email Security (19 reviews)
- Spam Blocking (18 reviews)

**Cons:**

- Poor Customer Support (19 reviews)
- Limited Features (17 reviews)
- Poor Detection (16 reviews)
- UX Improvement (16 reviews)
- Configuration Difficulties (10 reviews)


### What Do G2 Reviewers Say About Proofpoint Core Email Protection?
*AI-generated summary from verified user reviews*

**Pros:**

- Users benefit from the **effective anti-phishing and anti-malware capabilities** of Proofpoint Core Email Protection, ensuring robust security.
- Users value the **ease of use and comprehensive coverage** of Proofpoint Core Email Protection for enhanced email security.
- Users appreciate the **advanced threat detection** capabilities of Proofpoint Core Email Protection, effectively stopping phishing and malware risks.
- Users value the **advanced threat detection** of Proofpoint Core Email Protection, effectively blocking phishing and BEC attacks.
- Users value the **effective spam blocking** of Proofpoint, significantly reducing unwanted emails and enhancing inbox cleanliness.

**Cons:**

- Users experience **poor customer support** , noting slow incident responses and a dated interface as major concerns.
- Users find **limited features** in Proofpoint Core Email Protection compared to its commercial counterpart, affecting overall functionality.
- Users report **poor detection** of legitimate emails, leading to frustration and potential miscommunication.
- Users find the **UI confusing** , with multiple portals making navigation challenging despite the tool’s robust capabilities.
- Users find the **configuration process complex** , which can lead to difficulties in setting up email protection policies.

#### What Are Recent G2 Reviews of Proofpoint Core Email Protection?

**"[Robust Email Security with Some Rule Management Hurdles](https://www.g2.com/survey_responses/proofpoint-core-email-protection-review-12792121)"**

**Rating:** 4.0/5.0 stars
*— Daniel B.*

[Read full review](https://www.g2.com/survey_responses/proofpoint-core-email-protection-review-12792121)

---

**"[Proofpoint email security review in retail](https://www.g2.com/survey_responses/proofpoint-core-email-protection-review-10261933)"**

**Rating:** 4.5/5.0 stars
*— Jounee K.*

[Read full review](https://www.g2.com/survey_responses/proofpoint-core-email-protection-review-10261933)

---


#### What Are G2 Users Discussing About Proofpoint Core Email Protection?

- [What is Proofpoint Email Security and Protection used for?](https://www.g2.com/discussions/what-is-proofpoint-email-security-and-protection-used-for)
- [What is Proofpoint Targeted Attack Protection For Email used for?](https://www.g2.com/discussions/what-is-proofpoint-targeted-attack-protection-for-email-used-for)
- [What is Proofpoint Email Gateway?](https://www.g2.com/discussions/what-is-proofpoint-email-gateway)
- [Which Proofpoint products help organizations prevent or detect malware free attacks?](https://www.g2.com/discussions/which-proofpoint-products-help-organizations-prevent-or-detect-malware-free-attacks)
- [What is proofpoint PPS Ppps net?](https://www.g2.com/discussions/what-is-proofpoint-pps-ppps-net) - 1 comment

### 2. [Virtru Email Encryption](https://www.g2.com/products/virtru-email-encryption/reviews)
Secure data directly from your inbox with Virtru. Users can easily encrypt emails and attachments with just one click, protecting sensitive data such as personally identifiable information (PII), intellectual property, and other regulated information. Seamlessly integrating with platforms like Gmail and Microsoft Outlook, Virtru empowers organizations to meet compliance requirements for HIPAA, GDPR, CJIS, CMMC 2.0, ITAR and other data privacy regulations, without disrupting existing workflows. Virtru provides full control over email content even after it’s been sent. Users can set expiration dates, revoke access, and track where emails are shared, ensuring total visibility and control over sensitive information. With granular access control and audit trails, Virtru simplifies data protection for enterprises and small businesses alike. Ideal for industries such as healthcare, financial services, government, and education, Virtru empowers your teams to confidently share sensitive information without sacrificing security.


**Average Rating:** 4.4/5.0
**Total Reviews:** 412
**How Do G2 Users Rate Virtru Email Encryption?**

- **Has the product been a good partner in doing business?:** 8.9/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.9/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.1/10 (Category avg: 9.0/10)

**Who Is the Company Behind Virtru Email Encryption?**

- **Seller:** [Virtru](https://www.g2.com/sellers/virtru)
- **Company Website:** https://virtru.com
- **Year Founded:** 2012
- **HQ Location:** Washington, DC
- **Twitter:** @virtruprivacy (1,790 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/virtru/ (259 employees on LinkedIn®)

**Who Uses This Product?**
- **Who Uses This:** Office Manager, Administrative Assistant
- **Top Industries:** Hospital & Health Care, Health, Wellness and Fitness
- **Company Size:** 45% Mid-Market, 38% Small-Business


#### What Are Virtru Email Encryption's Pros and Cons?

**Pros:**

- Ease of Use (80 reviews)
- Security (78 reviews)
- Encryption (66 reviews)
- Email Encryption (56 reviews)
- Secure Communication (45 reviews)

**Cons:**

- Email Issues (55 reviews)
- Email Encryption Issues (44 reviews)
- Access Issues (29 reviews)
- Encryption Issues (26 reviews)
- Access Limitations (20 reviews)


### What Do G2 Reviewers Say About Virtru Email Encryption?
*AI-generated summary from verified user reviews*

**Pros:**

- Users appreciate the **ease of use** of Virtru Email Encryption, making secure communication simple for everyone.
- Users value the **security** of Virtru Email Encryption, ensuring message access is restricted to intended recipients only.
- Users love the **ease of use** of Virtru Email Encryption, simplifying email security with just a click.
- Users value the **ease of use** of Virtru Email Encryption, enjoying quick setup and seamless integration with Gmail.
- Users value the **secure communication** that Virtru Email Encryption provides for sharing sensitive information with confidence.

**Cons:**

- Users experience **email issues** with Virtru, including delivery failures and difficulties for recipients unfamiliar with the platform.
- Users experience **email encryption issues** with vendors struggling to receive or open encrypted documents, causing frustration.
- Users face **access issues** , struggling to open emails, especially from unfamiliar platforms like government agencies and hospitals.
- Users experience **encryption issues** that disrupt document delivery and complicate communication with vendors and clients.
- Users face **access limitations** as clients often struggle to open Virtru-encrypted emails, leading to communication challenges.

#### What Are Recent G2 Reviews of Virtru Email Encryption?

**"[Effortless Secure Emailing with Virtru](https://www.g2.com/survey_responses/virtru-email-encryption-review-8020917)"**

**Rating:** 5.0/5.0 stars
*— Verified User in Outsourcing/Offshoring*

[Read full review](https://www.g2.com/survey_responses/virtru-email-encryption-review-8020917)

---

**"[Super Easy to Use and a Hit with Our Office](https://www.g2.com/survey_responses/virtru-email-encryption-review-12901172)"**

**Rating:** 4.0/5.0 stars
*— Makayla S.*

[Read full review](https://www.g2.com/survey_responses/virtru-email-encryption-review-12901172)

---


#### What Are G2 Users Discussing About Virtru Email Encryption?

- [What is Virtru used for?](https://www.g2.com/discussions/what-is-virtru-used-for)
- [What is Virtru?](https://www.g2.com/discussions/what-is-virtru) - 6 comments
- [What is Virtru email?](https://www.g2.com/discussions/what-is-virtru-email) - 1 comment
- [How much does Virtru cost?](https://www.g2.com/discussions/how-much-does-virtru-cost) - 1 comment
- [Is Virtru secure?](https://www.g2.com/discussions/is-virtru-secure) - 1 comment

### 3. [Check Point Email Security](https://www.g2.com/products/check-point-email-security/reviews)
Check Point Harmony Email & Collaboration, protects enterprise data by preventing targeted attacks on SaaS applications and cloud-based email.


**Average Rating:** 4.6/5.0
**Total Reviews:** 487
**How Do G2 Users Rate Check Point Email Security?**

- **Has the product been a good partner in doing business?:** 9.3/10 (Category avg: 9.1/10)
- **Quality of Support:** 9.1/10 (Category avg: 8.8/10)
- **Ease of Admin:** 9.3/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.2/10 (Category avg: 9.0/10)

**Who Is the Company Behind Check Point Email Security?**

- **Seller:** [Check Point Software Technologies](https://www.g2.com/sellers/check-point-software-technologies)
- **Year Founded:** 1993
- **HQ Location:** Redwood City, CA
- **Twitter:** @CheckPointSW (70,955 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/check-point-software-technologies/ (8,554 employees on LinkedIn®)
- **Ownership:** NASDAQ:CHKP

**Who Uses This Product?**
- **Who Uses This:** IT Manager, Systems Administrator
- **Top Industries:** Information Technology and Services, Computer & Network Security
- **Company Size:** 57% Mid-Market, 23% Enterprise


#### What Are Check Point Email Security's Pros and Cons?

**Pros:**

- Email Security (94 reviews)
- Security (83 reviews)
- Protection (74 reviews)
- Ease of Use (50 reviews)
- Phishing Protection (45 reviews)

**Cons:**

- False Positives (29 reviews)
- Complexity (23 reviews)
- Complex Setup (22 reviews)
- Limited Features (18 reviews)
- Configuration Difficulties (17 reviews)


### What Do G2 Reviewers Say About Check Point Email Security?
*AI-generated summary from verified user reviews*

**Pros:**

- Users appreciate the **robust email protection** of Check Point Email Security, effectively blocking phishing and malware threats.
- Users value the **robust security** of Check Point Email Security, effectively blocking phishing attacks and ensuring peace of mind.
- Users appreciate the **protection against phishing attacks** offered by Check Point Email Security, enhancing their email security and peace of mind.
- Users find Check Point Email Security's **ease of use** outstanding, thanks to its intuitive interface and automated features.
- Users enjoy the **peace of mind from robust phishing protection** , effectively blocking threats before reaching their inbox.

**Cons:**

- Users experience **false positives** , with safe emails marked as spam, impacting important communications and usability.
- Users find the **initial setup complexity** and high total ownership cost frustrating compared to other email security solutions.
- Users find the **complex setup** of Check Point Email Security cumbersome, impacting integration and overall experience.
- Users note the **limited features** of Check Point Email Security, notably in supported platforms and configuration options.
- Users face significant **configuration difficulties** with Check Point Email Security, leading to a frustrating onboarding experience.

#### What Are Recent G2 Reviews of Check Point Email Security?

**"[Accuracy Redefined, Perfect for Email Security](https://www.g2.com/survey_responses/check-point-email-security-review-12713186)"**

**Rating:** 5.0/5.0 stars
*— Jared R.*

[Read full review](https://www.g2.com/survey_responses/check-point-email-security-review-12713186)

---

**"[Effortless Email Security with Minor Filtering Hiccups](https://www.g2.com/survey_responses/check-point-email-security-review-11882522)"**

**Rating:** 4.5/5.0 stars
*— Leo D.*

[Read full review](https://www.g2.com/survey_responses/check-point-email-security-review-11882522)

---


#### What Are G2 Users Discussing About Check Point Email Security?

- [What is Avanan Cloud Email Security used for?](https://www.g2.com/discussions/what-is-avanan-cloud-email-security-used-for) - 1 comment
- [What is Check Point Anti-Spam & Email Security used for?](https://www.g2.com/discussions/what-is-check-point-anti-spam-email-security-used-for)
- [What is SaaS security?](https://www.g2.com/discussions/harmony-email-collaboration-what-is-saas-security)
- [What is SaaS security?](https://www.g2.com/discussions/what-is-saas-security)
- [What are the different types of email security?](https://www.g2.com/discussions/what-are-the-different-types-of-email-security) - 2 comments, 1 upvote

### 4. [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews)
Proton Mail for Business is a secure email and calendar solution tailored specifically for small and medium-sized businesses (SMBs). This platform enables users to send, receive, organize, and manage professional email and calendar communications while ensuring built-in privacy and encryption. Designed to support critical business communication workflows, Proton Mail for Business protects sensitive information from unauthorized access and assists organizations in meeting data privacy and compliance requirements. Its features cater to SMBs looking to enhance email security, centralize user management, and integrate encrypted messaging with productivity tools like calendar scheduling. The product's core capabilities focus on providing a robust business email experience. With end-to-end encryption, email content remains confidential, ensuring that only the intended senders and recipients can read messages. Proton Mail cannot decrypt stored emails, even for compliance or support purposes, which reinforces its commitment to user privacy. Additionally, businesses can utilize custom domains for branded email addresses, enhancing professionalism and brand identity. Integrated calendar tools allow teams to create, share, and schedule events seamlessly alongside email, reducing the need for multiple disparate applications. Proton Mail for Business also includes a variety of productivity and workflow features designed to streamline communication. Advanced inbox organization tools, such as filters and folders, automatically sort incoming mail, while labels help categorize messages for efficient workflow management. Email automation capabilities enable users to schedule messages, create autoresponders, and snooze emails, which is particularly beneficial for managing busy inboxes. Furthermore, the AI-assisted writing support, Proton Scribe, aids in drafting and proofreading messages without compromising privacy, ensuring that sensitive content remains secure. Security and compliance are paramount in Proton Mail for Business, which is why it offers strong regulatory support for GDPR, HIPAA, CCPA, and other privacy regulations through its default end-to-end encryption and zero-access architecture. Hosted under Swiss privacy laws, the platform provides additional legal protections compared to other jurisdictions, safeguarding user data from forced access. The centralized admin panel allows for efficient user management, enabling administrators to add or remove users, enforce two-factor authentication, and manage permissions across the business domain. Advanced threat protection through Proton Sentinel combines AI and human analysis to identify and block potential account breaches and other security threats. By combining encrypted communication with practical organizational tools and administrative oversight, Proton Mail for Business positions itself as a comprehensive and secure email platform for SMBs. Its focus on privacy and compliance, along with its ability to enhance professional communication continuity and improve team productivity, makes it a valuable solution for businesses prioritizing secure digital communications.


**Average Rating:** 4.6/5.0
**Total Reviews:** 417
**How Do G2 Users Rate Proton Mail For Business?**

- **Has the product been a good partner in doing business?:** 9.4/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.8/10 (Category avg: 8.8/10)
- **Ease of Admin:** 9.1/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.1/10 (Category avg: 9.0/10)

**Who Is the Company Behind Proton Mail For Business?**

- **Seller:** [Proton AG](https://www.g2.com/sellers/proton-ag)
- **Company Website:** https://proton.me/
- **Year Founded:** 2014
- **HQ Location:** Plan-les-Ouates, Geneva, Switzerland
- **Twitter:** @ProtonPrivacy (363,085 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/protonprivacy/ (894 employees on LinkedIn®)

**Who Uses This Product?**
- **Who Uses This:** Owner, CEO
- **Top Industries:** Information Technology and Services, Computer Software
- **Company Size:** 26% Small-Business, 11% Mid-Market


#### What Are Proton Mail For Business's Pros and Cons?

**Pros:**

- Ease of Use (3 reviews)
- Encryption (2 reviews)
- Reliability (2 reviews)
- Security (2 reviews)
- Clean Interface (1 reviews)

**Cons:**

- Compatibility Issues (1 reviews)
- Complex Processes (1 reviews)
- Email Issues (1 reviews)
- Improvement Needed (1 reviews)
- Inefficient Search Functionality (1 reviews)


### What Do G2 Reviewers Say About Proton Mail For Business?
*AI-generated summary from verified user reviews*

**Pros:**

- Users commend the **ease of use** of Proton Mail for Business, appreciating its simplicity and reliability for communication.
- Users value the **end-to-end encryption** of Proton Mail For Business, appreciating its simplicity and enhanced security.
- Users value the **reliability** of Proton Mail for Business, praising its trustworthy performance and continuous improvements.
- Users value Proton Mail For Business for its **robust security features** , including end-to-end encryption and email expiration.
- Users value the **clean interface** of Proton Mail for Business, enhancing their communication experience effectively.

**Cons:**

- Users face **compatibility issues** with Proton Mail for Business, struggling with limited storage and challenging search functionalities.
- Users find the **limited features of the free version** complicate expansion opportunities for using Proton Mail for Business.
- Users criticize the **limited free storage** and find **email recovery difficult** , impacting overall usability of Proton Mail.
- Users suggest that **UI improvement is needed** for a more user-friendly experience with Proton Mail for Business.
- Users find the **inefficient search functionality** frustrating, as it complicates email retrieval and management in Proton Mail.

#### What Are Recent G2 Reviews of Proton Mail For Business?

**"[Secure, Effective, Simplicity](https://www.g2.com/survey_responses/proton-mail-for-business-review-12826356)"**

**Rating:** 4.0/5.0 stars
*— Frank C.*

[Read full review](https://www.g2.com/survey_responses/proton-mail-for-business-review-12826356)

---

**"[ProtonMail: The Gold Standard for Private, Secure Email](https://www.g2.com/survey_responses/proton-mail-for-business-review-12815410)"**

**Rating:** 5.0/5.0 stars
*— Sterling Y.*

[Read full review](https://www.g2.com/survey_responses/proton-mail-for-business-review-12815410)

---


#### What Are G2 Users Discussing About Proton Mail For Business?

- [What is Protonmail used for?](https://www.g2.com/discussions/protonmail-what-is-protonmail-used-for) - 1 comment
- [Do hackers use ProtonMail?](https://www.g2.com/discussions/do-hackers-use-protonmail)
- [Is ProtonMail legitimate?](https://www.g2.com/discussions/is-protonmail-legitimate) - 2 comments
- [Can police track ProtonMail?](https://www.g2.com/discussions/can-police-track-protonmail) - 1 comment
- [What is ProtonMail used for?](https://www.g2.com/discussions/what-is-protonmail-used-for)

### 5. [Paubox](https://www.g2.com/products/paubox/reviews)
Paubox is a HIPAA compliant email security platform designed for healthcare organizations. It provides outbound email encryption and AI-powered inbound email protection, helping organizations safeguard protected health information (PHI) without changing how staff or patients use email. Email remains a critical communication tool in healthcare, but standard platforms like Google Workspace and Microsoft 365 are not HIPAA compliant on their own. Paubox makes compliance automatic and enhances security to defend against evolving phishing and malware attacks, all while maintaining a seamless user experience. Paubox serves small to mid-sized healthcare organizations, clinics, and IT teams seeking reliable compliance, reduced risk, and simple management. Key capabilities: - Automatic outbound encryption: Every message is encrypted by default; recipients read emails directly in their inbox, without portals or passwords - AI-powered inbound email security: Detects and blocks phishing, spoofing, and malware using generative AI analysis - Seamless integration: Works with Google Workspace, Microsoft 365, and Microsoft Exchange without new workflows or domain changes - Compliance and control: Supports HIPAA compliance and minimizes human error in handling PHI - Additional tools: Archiving, Data Loss Prevention, Paubox Email API, and Paubox Marketing Benefits: - Simplifies compliance management and reduces IT workload - Improves patient and staff experience with frictionless secure email - Strengthens protection against modern email threats Paubox enables healthcare organizations to confidently use email as a secure, compliant, and user-friendly communication channel, eliminating guesswork for staff and helping IT teams protect against data breaches and compliance risk.


**Average Rating:** 4.9/5.0
**Total Reviews:** 597
**How Do G2 Users Rate Paubox?**

- **Has the product been a good partner in doing business?:** 9.8/10 (Category avg: 9.1/10)
- **Quality of Support:** 9.8/10 (Category avg: 8.8/10)
- **Ease of Admin:** 9.6/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.7/10 (Category avg: 9.0/10)

**Who Is the Company Behind Paubox?**

- **Seller:** [Paubox](https://www.g2.com/sellers/paubox)
- **Year Founded:** 2015
- **HQ Location:** San Francisco, CA
- **Twitter:** @PauboxHQ (16,577 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/4821384/ (46 employees on LinkedIn®)

**Who Uses This Product?**
- **Who Uses This:** Owner, CEO
- **Top Industries:** Mental Health Care, Hospital & Health Care
- **Company Size:** 84% Small-Business, 14% Mid-Market


#### What Are Paubox's Pros and Cons?

**Pros:**

- Ease of Use (216 reviews)
- Security (169 reviews)
- Customer Support (146 reviews)
- Email Security (138 reviews)
- Setup Ease (137 reviews)

**Cons:**

- Expensive (50 reviews)
- Email Issues (32 reviews)
- Difficult Setup (25 reviews)
- Email Encryption Issues (17 reviews)
- Encryption Issues (13 reviews)


### What Do G2 Reviewers Say About Paubox?
*AI-generated summary from verified user reviews*

**Pros:**

- Users love the **ease of use** of Paubox, appreciating its seamless setup and management for secure communications.
- Users appreciate the **security of Paubox** , ensuring HIPAA compliance and peace of mind when handling sensitive information.
- Users praise the **exceptional customer support** from Paubox, highlighting helpful and patient staff throughout the implementation process.
- Users trust **Paubox's email security** , appreciating its ease of use and reliable HIPAA compliance for peace of mind.
- Users value the **effortless setup process** of Paubox, appreciating its quick initiation and seamless operations.

**Cons:**

- Users find Paubox **expensive** , but some feel the value justifies the higher cost compared to alternatives.
- Users note **email retention issues** with Paubox, citing the need for longer access to email records for litigation.
- Users find the **difficult setup** challenging, though quick support helps to alleviate some of the confusion.
- Users experience **email encryption issues** with Paubox, causing delays and reliance on test emails for assurance.
- Users miss the **encrypted SMS feature** of Paubox, feeling it was unmatched in the market.

#### What Are Recent G2 Reviews of Paubox?

**"[HIPAA-Compliant Email Encryption without friction](https://www.g2.com/survey_responses/paubox-review-13114802)"**

**Rating:** 5.0/5.0 stars
*— Cyril B.*

[Read full review](https://www.g2.com/survey_responses/paubox-review-13114802)

---

**"[Effortless Automatic Email Encryption with Excellent Paubox Support](https://www.g2.com/survey_responses/paubox-review-12903747)"**

**Rating:** 5.0/5.0 stars
*— Cynthia S.*

[Read full review](https://www.g2.com/survey_responses/paubox-review-12903747)

---


#### What Are G2 Users Discussing About Paubox?

- [How can you tell if an email is encrypted?](https://www.g2.com/discussions/how-can-you-tell-if-an-email-is-encrypted)
- [Is Paubox Hipaa compliant?](https://www.g2.com/discussions/is-paubox-hipaa-compliant)
- [What is a suite of popular email encryption tools?](https://www.g2.com/discussions/what-is-a-suite-of-popular-email-encryption-tools)
- [What is Paubox?](https://www.g2.com/discussions/what-is-paubox) - 3 comments

### 6. [Kiteworks](https://www.g2.com/products/kiteworks/reviews)
Kiteworks’ mission is to empower organizations to effectively manage risk in every send, share, receive, and save of sensitive content. To this end, we created a platform that delivers content governance, compliance, and protection to customers. The platform unifies, tracks, controls, and secures sensitive content moving within, into, and out of their organization, significantly improving risk management and ensuring regulatory compliance on all sensitive content communications. Any professional or organization who sends, shares, receives or saves sensitive content should govern and protect it with Kiteworks. It’s as simple as that. With Kiteworks, CIOs and CISOs gain complete visibility, compliance and control over IP, PII, PHI, and other sensitive content across all 3rd party communication channels, including email, file sharing, mobile, enterprise apps, web portals, SFTP, and MFT. When users click the Kiteworks button, they know it’s the safe, secure way to share sensitive information with the outside world. With on-premise, private cloud, hybrid and FedRAMP deployment options, the Kiteworks platform provides the security and governance CISOs need to protect their organizations, mitigate risk, and adhere to rigorous compliance regulations such as NIST 800-171, HIPAA, SOX, GDPR, GLBA, FISMA, and others.


**Average Rating:** 4.4/5.0
**Total Reviews:** 120
**How Do G2 Users Rate Kiteworks?**

- **Has the product been a good partner in doing business?:** 8.0/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.6/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.3/10 (Category avg: 9.1/10)
- **Ease of Use:** 8.9/10 (Category avg: 9.0/10)

**Who Is the Company Behind Kiteworks?**

- **Seller:** [Kiteworks](https://www.g2.com/sellers/kiteworks)
- **Year Founded:** 1999
- **HQ Location:** Palo Alto, CA
- **Twitter:** @Kiteworks (3,460 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/33337/ (375 employees on LinkedIn®)
- **Phone:** 650-485-4300

**Who Uses This Product?**
- **Top Industries:** Information Technology and Services
- **Company Size:** 25% Small-Business, 21% Enterprise


#### What Are Kiteworks's Pros and Cons?

**Pros:**

- Security (98 reviews)
- Secure Sharing (74 reviews)
- Protection (67 reviews)
- Secure Communication (64 reviews)
- Secure File Sharing (64 reviews)

**Cons:**

- Complex Usability (60 reviews)
- Complexity (51 reviews)
- Poor Interface Design (45 reviews)
- UX Improvement (43 reviews)
- Poor UI Design (42 reviews)


### What Do G2 Reviewers Say About Kiteworks?
*AI-generated summary from verified user reviews*

**Pros:**

- Users appreciate the **strong security and encryption** of Kiteworks, allowing for confident sharing of sensitive files without worry.
- Users appreciate the **secure sharing** capabilities of Kiteworks, enabling safe collaboration and peace of mind with sensitive files.
- Users value the **strong security and encryption** of Kiteworks, ensuring safe sharing of sensitive files with ease.
- Users value Kiteworks for its **secure communication** , effectively protecting confidential information with strong encryption and detailed permissions.
- Users value Kiteworks for its **robust security features and control** over sensitive file sharing and access tracking.

**Cons:**

- Users find the **complex usability** of Kiteworks, especially in onboarding and navigation, challenging and frustrating.
- Users find the **complex setup and configuration** of Kiteworks overwhelming, especially for organizations lacking dedicated IT resources.
- Users find the **interface design poor** , struggling with complexity and lacking intuitive navigation and customization options.
- Users report a need for **UX improvements** in Kiteworks, particularly regarding complexity and mobile app usability.
- Users find the **poor UI design** challenging, with complex navigation and a lack of intuitiveness hampering the experience.

#### What Are Recent G2 Reviews of Kiteworks?

**"[Secure File Sharing and Email with Strong Encryption and Access Controls](https://www.g2.com/survey_responses/kiteworks-review-12477888)"**

**Rating:** 4.5/5.0 stars
*— Anbuselvam S.*

[Read full review](https://www.g2.com/survey_responses/kiteworks-review-12477888)

---

**"[Essential for German HR Compliance with Some Integration Hiccups](https://www.g2.com/survey_responses/kiteworks-review-13067161)"**

**Rating:** 4.0/5.0 stars
*— Matthias S.*

[Read full review](https://www.g2.com/survey_responses/kiteworks-review-13067161)

---


#### What Are G2 Users Discussing About Kiteworks?

- [What is Kiteworks SFTP?](https://www.g2.com/discussions/what-is-kiteworks-sftp) - 3 comments
- [What does Kiteworks cost?](https://www.g2.com/discussions/what-does-kiteworks-cost) - 1 comment
- [What is Accellion application?](https://www.g2.com/discussions/what-is-accellion-application)
- [How does Kiteworks file transfer work?](https://www.g2.com/discussions/how-does-kiteworks-file-transfer-work) - 1 comment

### 7. [SendSafely](https://www.g2.com/products/sendsafely/reviews)
SendSafely lets you easily exchange encrypted files and information with anyone on any device. Let us take the headache out of secure file exchange. SendSafely integrates with many popular third party systems, adding end-to-end encryption to the platforms your users already know and love. We let you extend the capabilities of your existing apps and infrastructure by seamlessly adding encryption to your current workflows.


**Average Rating:** 4.8/5.0
**Total Reviews:** 51
**How Do G2 Users Rate SendSafely?**

- **Has the product been a good partner in doing business?:** 9.9/10 (Category avg: 9.1/10)
- **Quality of Support:** 9.6/10 (Category avg: 8.8/10)
- **Ease of Admin:** 9.8/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.7/10 (Category avg: 9.0/10)

**Who Is the Company Behind SendSafely?**

- **Seller:** [Sendsafely](https://www.g2.com/sellers/sendsafely)
- **Company Website:** https://www.sendsafely.com
- **Year Founded:** 2016
- **HQ Location:** New York
- **Twitter:** @SendSafely (1,098 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/sendsafely/ (44 employees on LinkedIn®)

**Who Uses This Product?**
- **Who Uses This:** Project Engineer
- **Top Industries:** Information Technology and Services, Financial Services
- **Company Size:** 39% Small-Business, 35% Mid-Market


#### What Are SendSafely's Pros and Cons?

**Pros:**

- Ease of Use (6 reviews)
- File Sharing (6 reviews)
- Secure File Sharing (5 reviews)
- Customer Support (3 reviews)
- Data Security (3 reviews)

**Cons:**

- Access Limitations (1 reviews)
- Email Issues (1 reviews)
- Outdated Interface (1 reviews)
- Software Issues (1 reviews)


### What Do G2 Reviewers Say About SendSafely?
*AI-generated summary from verified user reviews*

**Pros:**

- Users highlight the **ease of use** of SendSafely, appreciating its intuitive interface and seamless integrations.
- Users appreciate the **secure file sharing capabilities** of SendSafely, making document management easy and efficient.
- Users highly value the **secure file sharing** capabilities of SendSafely, appreciating its end-to-end encryption and ease of use.
- Users commend the **exceptional customer support** of SendSafely, finding it friendly, knowledgeable, and highly responsive.
- Users appreciate the **data security** of SendSafely, ensuring safe and efficient document sharing with external parties.

**Cons:**

- Users appreciate the removal of the **previous file size limitation** after upgrading to a newer plan.
- Users wish for more **consistent functionality** from the Outlook add-in to enhance their SendSafely experience.
- Users feel the interface is **outdated** , though it remains intuitive and does not hinder secure file transfers.
- Users wish for the **consistent functionality** of the Outlook add-in to enhance their overall experience with SendSafely.

#### What Are Recent G2 Reviews of SendSafely?

**"[Effortless Deployment and Powerful API/Webhooks for Smooth Integrations](https://www.g2.com/survey_responses/sendsafely-review-12863047)"**

**Rating:** 4.5/5.0 stars
*— Duane H.*

[Read full review](https://www.g2.com/survey_responses/sendsafely-review-12863047)

---

**"[Smooth SendSafely Integration for Effortless, Secure File Sharing](https://www.g2.com/survey_responses/sendsafely-review-12895682)"**

**Rating:** 5.0/5.0 stars
*— Lupee S.*

[Read full review](https://www.g2.com/survey_responses/sendsafely-review-12895682)

---


#### What Are G2 Users Discussing About SendSafely?

- [What is SendSafely used for?](https://www.g2.com/discussions/what-is-sendsafely-used-for)

### 8. [Zivver Email Encryption](https://www.g2.com/products/zivver-email-encryption/reviews)
Zivver provides secure email communications for effortless compliance. Founded in the Netherlands in 2015, Zivver is trusted by over 10,000 organizations globally to prevent data leaks caused by human error and ensure compliance. Zivver’s platform offers key features such as AES-256 encryption, keyless encryption, and multi-factor authentication, making it a robust tool for protecting sensitive data. Its integration with popular email clients like Microsoft 365 and Gmail, along with capabilities like secure file transfer up to 5TB and e-signatures directly within email, makes Zivver both user-friendly and highly secure. By offering smart prevention rules, secure communication options, and seamless integration with existing workflows, Zivver not only enhances security but also improves efficiency and productivity, helping organizations remain compliant with global data protection regulations.


**Average Rating:** 4.4/5.0
**Total Reviews:** 50
**How Do G2 Users Rate Zivver Email Encryption?**

- **Has the product been a good partner in doing business?:** 9.0/10 (Category avg: 9.1/10)
- **Quality of Support:** 8.6/10 (Category avg: 8.8/10)
- **Ease of Admin:** 8.7/10 (Category avg: 9.1/10)
- **Ease of Use:** 9.0/10 (Category avg: 9.0/10)

**Who Is the Company Behind Zivver Email Encryption?**

- **Seller:** [Zivver](https://www.g2.com/sellers/zivver)
- **Year Founded:** 2015
- **HQ Location:** Amsterdam, Noord-Holland
- **Twitter:** @zivver_en (265 Twitter followers)
- **LinkedIn® Page:** https://www.linkedin.com/company/zivver (62 employees on LinkedIn®)

**Who Uses This Product?**
- **Top Industries:** Hospital & Health Care, Mental Health Care
- **Company Size:** 52% Small-Business, 26% Mid-Market


#### What Are Zivver Email Encryption's Pros and Cons?

**Pros:**

- Customer Support (9 reviews)
- User Interface (7 reviews)
- Email Notifications (5 reviews)
- Reliability (5 reviews)
- Secure File Sharing (5 reviews)

**Cons:**

- Access Issues (9 reviews)
- Access Control (5 reviews)
- Security Issues (5 reviews)
- Attachment Issues (4 reviews)
- Complex Setup (4 reviews)


### What Do G2 Reviewers Say About Zivver Email Encryption?
*AI-generated summary from verified user reviews*

**Pros:**

- Users value the **great customer support** of Zivver Email Encryption, enhancing their overall user experience and satisfaction.
- Users appreciate the **user-friendly interface** of Zivver Email Encryption, enabling seamless and quick secure communication.
- Users appreciate the **email notifications** from Zivver, ensuring secure and efficient communication of sensitive information.
- Users value the **high reliability** of Zivver Email Encryption, ensuring seamless, secure communication with minimal effort.
- Users appreciate the **secure file sharing** capabilities of Zivver, facilitating easy transmission of sensitive documents with confidence.

**Cons:**

- Users experience **access issues** with Zivver, facing frequent login prompts and challenges with multi-factor authentication.
- Users find the **2FA process cumbersome** , complicating access and making it harder to reset passwords effectively.
- Users find the **security issues** with Zivver, such as complex 2FA, to be frustrating and inconvenient.
- Users find **attachment issues** frustrating, as the system complicates sending emails and requires unnecessary contacts setup.
- Users find the **setup process complicated** with confusing guidance, especially when integrating with various email services.

#### What Are Recent G2 Reviews of Zivver Email Encryption?

**"[The simplicity  and ultimate effectivelness of Zivver makes it an easy choice](https://www.g2.com/survey_responses/zivver-email-encryption-review-9980909)"**

**Rating:** 5.0/5.0 stars
*— Jeffery S.*

[Read full review](https://www.g2.com/survey_responses/zivver-email-encryption-review-9980909)

---

**"[Thankful for Zivver](https://www.g2.com/survey_responses/zivver-email-encryption-review-10427527)"**

**Rating:** 5.0/5.0 stars
*— Lauren B.*

[Read full review](https://www.g2.com/survey_responses/zivver-email-encryption-review-10427527)

---




## What Is Email Encryption Software?

[Email Security Software](https://www.g2.com/categories/email-security)

## What Software Categories Are Similar to Email Encryption Software?

- [Secure Email Gateway Software](https://www.g2.com/categories/secure-email-gateway)
- [Email Anti-spam Software](https://www.g2.com/categories/email-anti-spam)
- [Cloud Email Security Solutions](https://www.g2.com/categories/cloud-email-security)