Best Email Management Software - Page 17

How Many Email Management Software Products Does G2 Track?

Total Products under this Category: 308

Category Stats (Nov 2026)

  • Average Rating: 4.38/5 (↓0.01 vs Oct 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Bluemind (+1.71%) - Among all products in this category, Bluemind recorded the largest rating increase compared to last month

Last updated: November 01, 2026

How Does G2 Rank Email Management Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 35,100+ Authentic Reviews
  • 308+ 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.

G2 Grid® for Email Management Software

G2 Grid® for Email Management Software plotting products by satisfaction and market presence

Highlighted products: Microsoft 365, ActiveCampaign, Superhuman Mail, Microsoft Exchange, Front, Missive, Thunderbird, and SaneBox.

Underlying data: [Grid® JSON](https://www.g2.com/categories/email-management/grids.json?focus%5B%5D=microsoft365&focus%5B%5D=activecampaign&focus%5B%5D=superhuman-mail&focus%5B%5D=microsoft-microsoft-exchange&focus%5B%5D=front&focus%5B%5D=missive&focus%5B%5D=thunderbird&focus%5B%5D=sanebox)

RangeFlow

RangeFlow is a powerful email outreach tool that helps you automate your email outreach process without having to leave your favorite apps – Google Sheets and Gmail. RangeFlow makes it easy for you to segment your prospects and create targeted outreach and follow-up emails. Plus, since RangeFlow uses SMTP to send emails, you can connect your AWS, Gmail, Office 365, Microsoft Exchange or any other email service in a matter of minutes. With RangeFlow, you can avoid making the mistake of reaching out to the same prospect twice by automatically detecting invalid and duplicate emails, and filtering out any prospects that have been previously contacted. Before sending a batch of emails, our system performs a “No Bounce” check to filter out bad emails and decrease the bounce rate. Additionally, we skip spam filters and improve deliverability by sending emails one by one with irregular frequency so that they look natural and have a higher chance of reaching your prospect’s inbox. Finally, RangeFlow helps you manage your pipeline by giving you the ability to see your email opens in real-time, create follow-up emails based on key signals, and organize your prospects within your inbox. Plus, you can invite teams, assign roles, and work together on pipelines – all from your Google Sheets. Gain insights about the number of emails opened replies received and any bounces.

Average Rating: 4.8/5.0

Total Reviews: 4

How Do G2 Users Rate RangeFlow?

  • Ease of Use: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind RangeFlow?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of RangeFlow?

Read Mbox

Open and read MBOX files right in your browser privately - Drop in a .mbox file from Google Takeout, Thunderbird or Apple Mail and read it immediately — no software to install and nothing to upload. Search your messages, filter them by sender, subject or date, and export what you need to CSV, Excel, PDF or EML. And Most Importantly - Always Private, Done in the Browser and Never Sent to Any Server.

Who Is the Company Behind Read Mbox?

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How it works

Ready to Send

Ready to Send is an AI-powered Gmail add-on designed to streamline email management by automatically generating personalized draft replies for new and unread emails. By analyzing the context and content of incoming messages, it crafts responses that align with your unique writing style, allowing you to review, edit, and send them with minimal effort. This tool is particularly beneficial for professionals seeking to enhance productivity and maintain consistent communication without the manual effort traditionally associated with email correspondence. Key Features and Functionality: - Automated Email Generation: Automatically creates draft replies for new and unread emails, reducing the time spent composing responses. - Personalized Responses: Tailors replies to match your writing style and tone, ensuring authentic and consistent communication. - Seamless Gmail Integration: Operates directly within Gmail across various devices, including Android and iOS, providing a smooth user experience. - Intelligent Snippets: Utilizes a personalized knowledge base to insert relevant reusable content into responses, enhancing efficiency and accuracy. - Multi-language Support: Supports over 100 languages, facilitating effective communication with a global audience. - Privacy-Centric Design: Adheres to strict data protection regulations, ensuring that your information remains secure and confidential. Primary Value and Problem Solved: Ready to Send addresses the common challenge of email overload by automating the drafting process, allowing users to manage their inboxes more efficiently. By providing personalized, context-aware responses, it reduces the cognitive load associated with email communication, enabling professionals to focus on more critical tasks. This solution not only saves time but also ensures that all communications maintain a high standard of personalization and professionalism.

Who Is the Company Behind Ready to Send?

Relenta CRM

Email-based CRM for small teams to manage a large number of customer interactions.

Average Rating: 4.9/5.0

Total Reviews: 20

How Do G2 Users Rate Relenta CRM?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)
  • Ease of Use: 9.5/10 (Category avg: 8.9/10)

Who Is the Company Behind Relenta CRM?

  • Seller: Relenta CRM
  • HQ Location: Miami, FL
  • Twitter: @relenta
    415 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 86% Small, 14% Medium

What Are Recent G2 Reviews of Relenta CRM?

What Are G2 Users Discussing About Relenta CRM?

Replygate.io

ReplyGate.io is an AI-powered email-to-CRM platform that helps businesses automatically reply to emails and manage customer conversations more efficiently. It connects your business email directly to your CRM, uses AI to understand incoming messages, drafts replies, captures new leads, updates customer records, and creates follow-up tasks automatically. The goal is simple: *reduce manual work, respond to customers faster, and make sure no lead or important conversation gets lost.* Teams remain in control by reviewing and approving AI-generated replies, while ReplyGate.io handles the repetitive work behind the scenes.

Who Is the Company Behind Replygate.io?

RetainIQ

RetainIQ is an intelligent email marketing platform that can seamlessly integrate and automate some of the most tedious tasks of creating and managing your email flows. It has a collection of pre-designed email templates that can be personalised and can be made specific to each industry as per the brands' needs. It is an assistant that will run and monitor retention campaigns in autopilot mode and provide you with incredible insights, boosting revenues by up to 30%.

Average Rating: 4.5/5.0

Total Reviews: 3

How Do G2 Users Rate RetainIQ?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)
  • Ease of Use: 9.4/10 (Category avg: 8.9/10)

Who Is the Company Behind RetainIQ?

  • Seller: RetainIQ
  • Year Founded: 2021
  • HQ Location: Wilmington, US
  • LinkedIn® Page: www.linkedin.com
    53 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of RetainIQ?

Saleslumen Emails

Unified inbox for modern outbound: AI-powered writing, inbox placement and deliverability tools, email finder & verification, engagement analytics, and templates. Connect Gmail, Outlook, or custom SMTP and send from your own accounts.

Who Is the Company Behind Saleslumen Emails?

Sales Prophet

Sales Prophet provides sales automation and marketing automation capabilities that is integrated with a large database of over 80 million B2B contact records. Sales Prophet offers unlimited access to their B2B data which can be used to send text-based sales sequences to support our lead generation efforts or HTML-based emails to support your marketing departments demand generation efforts. At the heart of Sales Prophet is a very robust email platform that offers one clink integration with G-suite and Office 365 as well as API integrations with Mailgun, Sparkpost and Sendgrid. The platform gives you complete control over how your emails are sent i.e. one at a time or in batches. You can also turn email open tracking and click tracking on or off for better deliverability. Sales Prophet also offers a Patent Pending Account-based email feature that allows you to send an email to multiple people typically involved in a purchase decision at your top target accounts in the same email. Sales Prophet rules engine allows you to create tasks based on prospect behavior i.e., opens, clicks, and replies. Also included is the ability to auto-remail people who didn't open the first campaign and a CRM for opportunity and task management.

Average Rating: 4.4/5.0

Total Reviews: 5

How Do G2 Users Rate Sales Prophet?

  • Has the product been a good partner in doing business?: 8.3/10 (Category avg: 8.9/10)
  • Ease of Use: 8.3/10 (Category avg: 8.9/10)

Who Is the Company Behind Sales Prophet?

Who Uses This Product?

  • Company Size: 80% Small, 20% Large

What Are Recent G2 Reviews of Sales Prophet?

Scribarius

Scribarius is an AI email assistant for Gmail, Outlook and Zoho Mail that helps professionals respond faster and stay organized, right inside the inbox they already use. It reads each incoming email and its thread, then drafts a reply using your FAQs, documents, calendar availability and contact details. Drafts wait in the conversation for you to review and send: nothing is sent without you by default. Key features: - Reply drafts grounded in your own knowledge base - Automatic follow-ups when an email gets no reply, stopping as soon as the contact answers - Forwarding by topic, using rules written in plain language - Smart labels by status, urgency, sentiment and topic, as native Gmail labels or Outlook categories - Task detection with steps and deadlines, linked to the original email - Smart templates with variables and conditions, sent now or scheduled Scribarius integrates with Zendesk, Freshdesk, HubSpot, Pipedrive, Google Calendar and Outlook Calendar, and supports 11 languages. It is GDPR compliant, its databases are hosted in France, and the content of the emails it processes is never stored. Plans start with a free tier. The Business plan adds a shared team workspace.

Who Is the Company Behind Scribarius?

Sealit

Sealit protects confidential information. Our password-less Zero Trust encryption allows you to secure all sensitive communication with your team and clients with just one click. Sealit seamlessly integrates with Outlook, Gmail, and your file systems, allowing you to continue working the way you do. Recipients simply use their biometrics to access messages, ensuring that only desired recipients can access confidential information. Sealit is here to protect your most important asset - your data.

Average Rating: 4.9/5.0

Total Reviews: 10

How Do G2 Users Rate Sealit?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)
  • Ease of Use: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Sealit?

  • Seller: Sealit
  • HQ Location: London, England
  • Twitter: @mysealitid
    1,703 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    8 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Sealit?

SeaMonkey Composer

Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing made simple all your Internet needs in one application.

Average Rating: 4.7/5.0

Total Reviews: 13

How Do G2 Users Rate SeaMonkey Composer?

  • Has the product been a good partner in doing business?: 9.4/10 (Category avg: 8.9/10)
  • Ease of Use: 9.1/10 (Category avg: 8.9/10)

Who Is the Company Behind SeaMonkey Composer?

  • Seller: Mozilla
  • Year Founded: 2005
  • HQ Location: San Francisco, CA
  • Twitter: @mozilla
    261,861 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,774 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 62% Small, 31% Large

What Are Recent G2 Reviews of SeaMonkey Composer?

Send Later

Send Later is the easiest way to schedule WhatsApp messages and automate follow-ups, directly from WhatsApp Web or your mobile. No API. No approvals. No technical setup. Just install, connect, and schedule in 15 seconds.

Who Is the Company Behind Send Later?

  • Seller: F22 Labs
  • Year Founded: 2014
  • HQ Location: Mylapore, IN
  • Twitter: @f22labs
    87 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    73 employees on LinkedIn®

SendStreak

SendStreak is a BYOS (bring-your-own-server) email platform: you connect the email backend you already trust - AWS SES, Gmail, Postmark, or any bare-bones SMTP server - and SendStreak adds the tooling of a full email platform on top: visual templates, event-triggered automations, retries, routing across backends, and unified analytics. Teams get feature parity with platforms like Mailchimp or Customer.io while keeping their own infrastructure and sender reputation. Pricing is flat pay-as-you-go, per email sent - never by audience size.

Who Is the Company Behind SendStreak?

Neeraja Prakash
NP
Researched and written by Neeraja Prakash
Updated March 7, 2025