# Proton Mail For Business vs Zimbra Collaboration Enterprise Collaboration Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Proton Mail For Business excels in user satisfaction, boasting a significantly higher overall rating compared to Zimbra Collaboration Enterprise Collaboration. Users appreciate Proton's **built-in encryption** for secure communications, which enhances their confidence in handling sensitive information.
- **Users say** that Zimbra offers a comprehensive collaboration suite, integrating email, calendar, and file sharing in one platform. This all-in-one approach is particularly appealing for those looking for a cost-effective alternative to more complex systems like Exchange.
- **Reviewers mention** that Proton Mail's simplicity is a standout feature, allowing users to manage their workloads efficiently without unnecessary complications. This streamlined experience is a key reason why many prefer it over Zimbra, which some find less intuitive.
- **According to verified reviews** , Zimbra's flexibility with both on-premises and cloud options is a significant advantage for organizations with specific deployment needs. Users appreciate the **hybrid deployment** capability, which allows for tailored solutions based on their infrastructure.
- **Users highlight** that Proton Mail's responsive customer support is a major benefit, especially for small businesses that require quick assistance. In contrast, Zimbra's support has received mixed feedback, with some users expressing a desire for improved responsiveness.
- **Reviewers note** that while Zimbra has a solid feature set, it sometimes struggles with user experience compared to Proton Mail. Users have pointed out that Zimbra's interface, although familiar, can feel less modern and intuitive than Proton's clean and organized layout.



| | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Star Rating** | 4.6 out of 5 | 3.6 out of 5 | 
| **Total Reviews** | 491 | 140 | 
| **Largest Market Segment** | Small-Business (63.8% of reviews) | Mid-Market (44.6% of reviews) | 
| **Entry Level Price** | Starting at $6.99 1 User Per Month | No pricing available | 

---
## Top Pros & Cons

### Proton Mail For Business

Pros:
- Ease of Use (3 reviews)
- Encryption (2 reviews)

Cons:
- Compatibility Issues (1 reviews)
- Complex Processes (1 reviews)

### Zimbra Collaboration Enterprise Collaboration

Pros:
- Daily Usage (1 reviews)


---
## Ratings Comparison
| Rating | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
  | **Meets Requirements** | 9.0 (132 reviews) | 7.9 (111 reviews) | 
  | **Ease of Use** | 9.1 (465 reviews) | 8.2 (111 reviews) | 
  | **Ease of Setup** | 9.0 (41 reviews) | 6.9 (37 reviews) | 
  | **Ease of Admin** | 9.2 (24 reviews) | 7.7 (38 reviews) | 
  | **Quality of Support** | 8.8 (369 reviews) | 7.7 (91 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.2 (21 reviews) | 7.9 (35 reviews) | 
  | **Product Direction (% positive)** | 9.1 (129 reviews) | 5.6 (108 reviews) | 

---
## Pricing

### Proton Mail For Business

#### Entry-Level Pricing

Plan: Mail Essentials

Price: Starting at $6.99 1 User Per Month

Description: Includes these features:

Key Features:
- 15 GB storage per user
- 10 email addresses per user
- 3 custom email domains supported

[Browse all 3 editions](https://www.g2.com/products/proton-mail-for-business/pricing)

#### Free Trial

Yes

### Zimbra Collaboration Enterprise Collaboration

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Proton Mail For Business** | N/A | N/A |
| **Zimbra Collaboration Enterprise Collaboration** | 8.9/10 | 16 |

#### Collaboration Tools

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Screen Sharing** | Not enough data | 9.4 (11 reviews) ✓ Verified | 
| **Presentations** | Not enough data | Not enough data | 
| **Whiteboarding** | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | Not enough data | 
| **Hand Raising** | Not enough data | Not enough data | 

#### Meeting Coordination

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Scheduling** | Not enough data | 8.9 (12 reviews) ✓ Verified | 
| **Recording** | Not enough data | 8.7 (9 reviews) | 
| **Participant Permissions** | Not enough data | 8.5 (11 reviews) ✓ Verified | 
| **One-Click Join** | Not enough data | Not enough data | 

#### Software Type

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Mobile** | Not enough data | 8.9 (11 reviews) ✓ Verified | 
| **Browser Application** | Not enough data | Not enough data | 
| **Desktop Application** | Not enough data | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **Proton Mail For Business** | 6.9/10 | 13 |
| **Zimbra Collaboration Enterprise Collaboration** | N/A | N/A |

#### Generative AI

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **AI Text Generation** | 6.8 (12 reviews) | Not enough data | 
| **AI Text Summarization** | 7.0 (9 reviews) | Not enough data | 
| **AI Text-to-Speech** | Feature Not Available | Not enough data | 
| **Autonomous Task Execution** | Feature Not Available | Not enough data | 
| **Cross-system Integration** | Feature Not Available | Not enough data | 
| **Proactive Assistance** | Feature Not Available | Not enough data | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Proton Mail For Business** | 9.1/10 | 334 |
| **Zimbra Collaboration Enterprise Collaboration** | N/A | N/A |

#### Encryption Techniques - Email Encryption

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Encryption Algorithms** | 9.8 (19 reviews) | Not enough data | 
| **Transport Encryption** | 9.8 (19 reviews) | Not enough data | 
| **End-to-End Encryption** | 9.8 (113 reviews) | Not enough data | 

#### Authentication, Verification, and Access Controls - Email Encryption

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | 
| **Access Controls** | 9.0 (18 reviews) | Not enough data | 
| **Digital Signatures** | 9.4 (8 reviews) | Not enough data | 
| **Certificate Authorities** | 9.3 (5 reviews) | Not enough data | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Malware Scanning** | 9.3 (7 reviews) | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Audit Trails** | Feature Not Available | Not enough data | 
| **Data Loss Prevention (DLP)** | Feature Not Available | Not enough data | 

#### Integration, Compatibility, and Usability - Email Encryption

| Feature | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **User-Friendly Interfaces** | 8.7 (252 reviews) | Not enough data | 
| **APIs and SDKs** | Feature Not Available | Not enough data | 
| **Email Client Integration** | 6.5 (39 reviews) | Not enough data | 
| **Automation** | 9.0 (27 reviews) | Not enough data | 

---
## Categories
**Shared Categories (1):** [Email Software](https://www.g2.com/categories/email)

**Unique to Proton Mail For Business (1):** [Email Encryption Software](https://www.g2.com/categories/email-encryption)

**Unique to Zimbra Collaboration Enterprise Collaboration (1):** [Video Conferencing Software](https://www.g2.com/categories/video-conferencing)


---
## Reviewer Demographics

### By Company Size

| Segment | Proton Mail For Business | Zimbra Collaboration Enterprise Collaboration | 
|---|---|---|
| **Small-Business** | 63.8% | 22.3% | 
| **Mid-Market** | 24.9% | 44.6% | 
| **Enterprise** | 11.3% | 33.1% | 

### By Industry

#### Proton Mail For Business

- **Information Technology and Services:** 10.5%
- **Computer Software:** 7.9%
- **Mental Health Care:** 6.3%
- **Consulting:** 5.9%
- **Computer & Network Security:** 4.4%
- **Health, Wellness and Fitness:** 3.6%
- **Higher Education:** 3.1%
- **Internet:** 2.9%
- **Marketing and Advertising:** 2.5%
- **Non-Profit Organization Management:** 2.5%
- **Other:** 50.4%

#### Zimbra Collaboration Enterprise Collaboration

- **Information Technology and Services:** 12.5%
- **Higher Education:** 10.8%
- **Computer Software:** 9.2%
- **Internet:** 7.5%
- **Education Management:** 5.0%
- **Research:** 4.2%
- **Telecommunications:** 3.3%
- **Retail:** 3.3%
- **Executive Office:** 3.3%
- **Accounting:** 2.5%
- **Other:** 38.3%

---
## Alternatives

### Alternatives to Proton Mail For Business

- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48142 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3512 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (728 reviews)
- [Apple Mail](https://www.g2.com/products/apple-mail/reviews) — 3.9/5 stars (159 reviews)
- [Yahoo! Mail](https://www.g2.com/products/yahoo-mail/reviews) — 3.9/5 stars (104 reviews)
- [HEY](https://www.g2.com/products/basecamp-hey/reviews) — 3.9/5 stars (15 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (569 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.8/5 stars (1278 reviews)
- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (601 reviews)

### Alternatives to Zimbra Collaboration Enterprise Collaboration

- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48142 reviews)
- [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) — 4.6/5 stars (5848 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3512 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (728 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (19226 reviews)
- [MDaemon Email Server](https://www.g2.com/products/mdaemon-technologies/reviews) — 4.7/5 stars (173 reviews)
- [Jitsi](https://www.g2.com/products/jitsi/reviews) — 4.3/5 stars (229 reviews)
- [MailEnable](https://www.g2.com/products/mailenable/reviews) — 4.3/5 stars (17 reviews)
- [IceWarp](https://www.g2.com/products/icewarp/reviews) — 4.3/5 stars (19 reviews)
- [SmarterMail](https://www.g2.com/products/smartermail/reviews) — 3.7/5 stars (27 reviews)

---
## Top Discussions

### Proton Mail For Business

- Title: [Is ProtonMail legitimate?](https://www.g2.com/discussions/is-protonmail-legitimate) — 2 comments
  > **Top comment:** "Yes, I have been on their paid plan for a few years now. I highly recommend their services. They now have a cloud drive and a great VPN as well."
- Title: [What is Protonmail used for?](https://www.g2.com/discussions/protonmail-what-is-protonmail-used-for) — 1 comment
  > **Top comment:** "Secure cross-platform email."
- Title: [Can police track ProtonMail?](https://www.g2.com/discussions/can-police-track-protonmail) — 1 comment
  > **Top comment:** "From my opinion, police needs special permission to track protonmail, I guess in some cases that police is trying to track protonmail using illegal methods,..."
- Title: [When is the launching date of proton drive?](https://www.g2.com/discussions/when-is-the-launching-date-of-proton-drive) — 1 comment, 2 upvotes
  > **Top comment:** "As the Project Status is still "Under Development", any new information on its release will be added on the ProtonMail Twitter: @ProtonMail. Hope that helps."

### Zimbra Collaboration Enterprise Collaboration

- Title: [How does Zimbra mail server work?](https://www.g2.com/discussions/how-does-zimbra-mail-server-work) — 1 comment
  > **Top comment:** "Great and very reliable "
- Title: [What is Zimbra mail server?](https://www.g2.com/discussions/what-is-zimbra-mail-server) — 1 comment
  > **Top comment:** "It's a server that provides a suite of email-related services, including email, calendar, addressbook, tasks, and briefcase (which stores documents). It's a..."
- Title: [when did zimbra launch?](https://www.g2.com/discussions/50763-when-did-zimbra-launch) — 1 comment, 1 upvote
  > **Top comment:** "The origin of the company dates back to 2005, when the first version was released."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/proton-mail-for-business-vs-zimbra-collaboration-enterprise-collaboration)