Best Email Software

Email is the transmission of electronic mail/messages from one internet user to another. Email software is intended to communicate important information and conduct business between clients, prospective buyers, and coworkers. Features include address books, app-based integration tools, mailing lists, file sharing, folders, and more.

To qualify for inclusion in the Email category, a product must:

  • Have an inbox where messages can be received, searched, sorted, and managed
  • Host filters for an inbox
  • Allow the transmission of both text and attachments
  • Archive messages
  • Have an address book or contact list feature
  • Alert user of delivered messages
Learn More About Email
G2 Crowd Grid® for Email
Leaders
High Performers
Contenders
Niche
Momentum Leaders
Momentum Score
Market Presence
Satisfaction
Filters
Star Rating

Email reviews by real, verified users. Find unbiased ratings on user satisfaction, features, and price based on the most reviews available anywhere.

Compare Email Software
Results: 68
    G2 Crowd takes pride in showing unbiased ratings on user satisfaction. G2 Crowd does not allow for paid placement in any of our ratings.
    Sort By:

    Get custom email (@yourcompany.com) and more. 30GB of inbox storage Compatible with Microsoft Outlook and other email clients Ad-free, 24/7 support and more

    Microsoft Outlook 2010, the premium business and personal e-mail management tool and calendar software to help you stay in touch.

    Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

    Multiple Domains Zoho Mail offers extensive domain management options for businesses. You can register a new domain, manage multiple domains and easily enable mail hosting for an already owned domain. Extensive Control Panel The powerful admin control panel with its simple & robust interface gives administrators a complete control on the functions of Zoho Mail like email restriction policies, domain management, group management and more. Unlimited Aliases & Groups Enterprise admins can create multiple aliases for corporate users which lets them change the 'From' address in emails to blend with the message & recipient. Organize email accounts into groups to easily exchange and share messages among users. Email Policies Block emails based on IP Address, domain and subject content for the whole organization, control incoming/outgoing mails for corporate users, manage spam blacklists/white lists. Be in complete control as an Administrator. Easy Migration Migration to Zoho hosted mail is a breeze. You can have our ever-ready support experts walk you through the process or download the self-migration tool. MS Exchange PST based transitions are especially a zap! Powerful Search & Filters Instantly snatch evasive messages based on your criteria & view results in separate tabs. Make specific emails stand out in the crowd. Filter emails, tag them with labels & flags and directly move them to specific folders. Folders & Labels Organize your emails in the familiar tried and tested folder structure and also tag them with labels customized for your business. Set your own label colors and never miss out on messages that scream "Attention!". Instant Chat This built-in instant chat allows your corporate community to quickly come together to discuss important topics and make decisions faster. Best of all, it runs entirely on your browser as a non-distracting sleek bar at the bottom. Calendar, Tasks & Notes Your corporate users can keep track of important tasks, share calendars, take notes, et al making collaboration smooth & effective. Your users are desktop savvy? No worries. Syncing is seamless with popular desktop clients. Multiple Email Accounts Why not have you access all your other favorite email accounts from one place? You can configure other POP accounts in Zoho Mail, each of them displayed as an exclusive module with a single click. Isn't that actually cool?

    Hiver helps you manage customer support and sales right from your Gmail. With Hiver, teams can collaborate on Shared email accounts like support@ or sales@ without having to leave their Gmail accounts. Hiver works like a full-fledged help desk, built right into Gmail. It gives you everything you need to do outstanding customer support, without any of the complexities and feature overload that come with other help desk products. Hiver is used by thousands of companies globally and is one of the most loved products built for Gmail and G Suite.

    Hiver Reviews
    Optimized for quick response

    Microsoft Exchange Online provides hosted email, calendar and contacts on your PC, phone and web browser.

    Mail makes it easy to manage all your email from a single, ad-free inbox. It features powerful search capabilities. Supports Gmail, MS Exchange, and others.

    Discover how IBM Verse offers business email with analytics and collaboration to help you have a more productive workday Get more done Stop managing your email and start managing your work. IBM Verse brings forward the messages, meetings and actions you need to focus on. Right now. Cut through the clutter See your calendar at all times and access key contacts in a click. See if a colleague has something for you—or needs something from you. Review an attachment and reply. All without leaving your email. Collaborate from your inbox Post content to social networks and send instant messages. Set up or join online meetings and share files on the cloud. Take actions on content and conversations—all from the IBM Verse interface. Stay connected on the move Pick up where you left off from your desktop on your iOS or Android mobile device with the IBM Verse app. Display meetings, events and email without launching the app with the widget. Buy what you need now, add as you grow Buy IBM Verse stand-alone or as part of IBM Connections™ Cloud to expand flexibly and affordably. Integration and extensibility features help you make IBM Verse work with your existing IT investments.

    Yahoo! Mail is a web and cloud-based messaging solution that allows you to stay connected to your email with one-tap access to your inbox, multiple Yahoo account support, and instant email alerts from any device.

    A mobile device management and collaboration suite that gives your employees safe access to enterprise email, calendar, contacts, and intranet.

    Zimbra is the leading provider of open source email collaboration software in the world. Zimbra provides governments, service providers, educational institutions and small/midsize enterprises with a low cost and customizable platform to securely exchange xemail, message, calendar, contact, file and task information from desktops, laptops and mobile devices.

    Amazon WorkMail is a secure, managed business email and calendar service with support for existing desktop and mobile email clients it gives users the ability to seamlessly access email, contacts, and calendars using Microsoft Outlook, web browser, or native iOS and Android email applications.

    * Mashable: The 12 best apps of 2017 * Product Hunt: Mobile App of the Year * Macrumors: Best iOS apps of 2017 * TechCrunch: “A high-end Gmail replacement” * Fast Company: “This email app uses AI to keep your inbox under control” * Lifehacker: “The magic really comes from the app’s built-in digital assistant” * VICE: “Astro separates itself in one, major way: artificial intelligence” WHY ASTRO • Modern, intelligent features: Snooze, Unsubscribe, Send Later, Email Open Tracking, Priority Inbox, Unified Inbox, Calendar, and more, for Gmail and Office 365 email accounts • Astrobot: AI-powered email assistant that highlights important messages and questions, unsubscribes you from emails, and responds to hundreds of commands to help you stay on top of your inbox and calendar • Priority Inbox: Know which emails are most important with a focused inbox, powered by AI • Calendar: View and manage your calendar directly from the Astro app, including an agenda view with Snoozed emails, scheduled emails, and reminders • Slack Integration: Easily work across Slack and email. In Slack, read and respond to emails. In Astro, search for Slack messages and share emails to Slack channels • Astrobot Voice & Amazon Alexa Skill: Read, manage, and reply to emails hands-free by talking to Astrobot, directly from the Astro app or from your Amazon Echo AI-POWERED EMAIL ASSISTANT • Ask Astrobot: Responds to hundreds of natural language commands to manage, clean up, and search your inbox, add events to your calendar, set reminders, and learn how to use Astro • Insights: Unsubscribe and archive suggestions for messages that can skip your inbox • Reminders: Automated reminders to follow up on important emails, questions, tracked emails, time-specific requests and @mentions from other Astro users • VIPs: AI-powered contact list management, so you always know when a priority email arrives • Voice Commands: Manage your inbox by talking to Astrobot directly from the app • Daily & Weekly Update Emails: Insights that help you clean up your inbox and make it easier to know what to follow up on SMARTER INBOX MANAGEMENT • Priority & Other Inbox: Astro sorts your emails using artificial intelligence • Smart Notifications: Eliminate distractions by getting notified only when an email is important • Snooze: Swipe to read or respond to an email at a specific time or when you get back to your Mac • Email Open & Reply Tracking: Get notified when a recipient opens an email or get a reminder if you haven’t heard back on time • Send Later: Schedule your emails to be sent at exactly the right time CALENDAR • Unified Inbox & Calendar: Streamline your workflow and save time by viewing and managing your Gmail and Office 365 email accounts and calendars all in one place • Calendar Assistant: Add simple events using natural language • Complete View of Today’s To-Dos: Calendar includes events not only from Gmail and/or Office 365 accounts, but also Snoozed or scheduled emails and reminders, so you get a complete view of your day • Customizable Calendar Views: Choose which calendars and email accounts to display ADDITIONAL FEATURES • Customizable swipes • Fast search • Folders and Favorites • Email aliases • Signatures • Attachments - Dropbox, Box, Google Drive, Quip, iCloud • Rich text and emojis • iOS 11 support • Support for Gmail and Office 365

    Mailbird is an email management app that integrates with a lot of popular Task-, Calendar-, Messaging- and Video Calling Apps. It unifies all your online communications in one intuitive and beautiful desktop app. Multiple Account management is a breeze using Mailbird.

    Makes email easy for you with great features, tools & over 200 domains - entirely for free!

    Hosted Email Filters, Protection and Archiving

    MailEnable is a mail server providing secure email and collaboration services, comparable to Microsoft Exchange.

    Airmail is an email client for Mac and iPhone.

    SmarterMail is a scalable business email server for small businesses.

    eM Client is a fully-featured email client with a modern and easy-to-use interface. eM Client also offers calendar, tasks, contacts and chat.

    BlueMail is an email management app for Android, iOS, and Windows.

    The MDaemon Email Server is trusted by customers in over 90 countries around the world to meet the needs of their businesses. MDaemon is a reliable and secure mail server that does not require expensive administration or impose high per-user costs. It simplifies messaging and collaboration with an intuitive, user-friendly design offering Mobile Device Management, Business Instant Messaging, Document Sharing and other enterprise-class features that can be managed with minimal support.

    Hostwinds offers website hosting for individuals and businesses of all sizes, with 24/7/365 support and nightly backups.

    IceWarp is a provider of comprehensive messaging solutions for every business class, size and niche.

    Take back control of your email with this easy-to-deploy mail server in a box.

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

    Atmail provides user-friendly, white labelled, cloud-hosted email with 99.99% uptime and your choice of US or (GDPR compliant) EU data centres. If you want to stay in-house, we offer on-premises webmail and/or mail server options. Our customer satisfaction rating is 99% and you can rely on our professional services team for a smooth transition and ongoing support.

    AuthSMTP is the outgoing SMTP email service for your e-commerce website, mailing list or email application on most current computers and mobile devices.

    Axigen Mail Server, Calendaring & Collaboration - All-in-one email, calendaring and collaboration platform, based on an innovative, proprietary technology, providing unmatched manageability for system administrators. Integrating all modules in a robust messaging solution, Axigen is developed for demanding users, from small businesses to large service providers. Axigen Business Messaging is a complete messaging solution providing full benefits of email communication & collaboration, integrated in a smart and secure solution based on a powerful mail server for business. Axigen platform is compatible with Microsoft Windows Server as well as with many Linux flavors, FreeBSD, or Solaris. The Axigen mail server works smoothly with most used email clients like Microsoft Outlook, Thunderbird or eM Client. The Axigen product portfolio for service providers serves as a viable all-in-one alternative to the high-end email and collaboration solutions available on the market. Our goal is to empower service providers — leveraging Axigen’s flexibility — to bring to market services tailored to SMEs. Main Features: • Groupware & Collaboration Features: Calendars, Tasks, Notes, Outlook Connector • The Axigen platform is compatible with Microsoft Windows Server as well as with many Linux flavors, FreeBSD, or Solaris. • The Axigen mail server works smoothly with most used email clients like Microsoft Outlook, Thunderbird or eM Client. • Automatic Migration Tool – fully automatic migration without even the need of the legacy accounts passwords. • Multiple, customizable branding & advertising options – WebMail Interface easily brandable & localized in over 29 languages, with several skins to be used at the end-user's choice. • Synchronizing emails, contacts, calendars or tasks by using Axigen's built-in Microsoft® Exchange ActiveSync® support for mobile devices. Available also through CardDav and CalDav implementation. • Integrated WebMail and WebAdmin client. • Integration with an external LDAP-based server (either OpenLDAP or Active Directory. • WebMail, POP3 and IMAP Proxy services available. • Email Security integration for Cyren, Kaspersky and Bitdefender. Virtually any AS/AV application integration capacity. • Extensive WebMail accounts and domain settings: Mailbox quota, attachment size limit, mail size limit, session idle & activity timeout, maximum number of messages sent per hour by one account, HTML filtering level for HTML email messages • 60-day, Full Feature Trial to download and use it on your own infrastructure. • Highly configurable platform – can also be integrated with third party billing / provisioning systems via API.

    CloudMailin drastically improves the way you receive email in your web app. You receive your email via a web hook (HTTP POST) and your website is free to do what it does best. Saving you time and money and allowing your email needs to scale as your site does.

    EmailSuccess is an advanced SMTP Server (MTA) derived from the technology and the expertise accumulated in years of exchanges with the ISP and ESP worlds, built from the ground up to handle the most critical reliability, performance, security, and deliverability requirements. TOP PERFORMANCE Designed to deliver high volumes of messages giving you full control over Speed, Latency, Reliability and Deliverability parameters. HIGH DELIVERABILITY Reach your target easily. We ensure that your email has the best chance of avoiding spam filters and landing in the inbox. ADVANCED INTELLIGENCE Optimise delivery by tuning email delivery parameters automatically in real-time. Platform tuning has never been so effective!

    FastMail delivers security, privacy and reliability for your email, calendars and contacts.

    Gaggle Mail is the absolute simplest way to setup and maintain an email group. Gaggle Mail gives you your own permanent @gaggle.email address that everyone in your group can use to contact everyone else in the group. Simple.

    Hiri is an email client for Managers on Windows, Mac and Linux.

    iPost is a modern data and omni-channel messaging platform built by marketers for marketers. We built a platform designed to solve the data, personalization and automation problems marketers have faced for well over a decade.  What sets iPost apart is how our technology and partner ecosystems help manage data, content, commerce, personalization and customer experiences across email, mobile and the web.   We built iPost to support the shifting customer needs of hundreds of clients in Retail, Hospitality, Travel, Food and Beverage, and Gaming industries.

    Mailspring is a mail client for Mac, Windows and Linux.

    Prolateral's outbound email service gives you a secure and trusted means of sending and relaying your emails regardless of where you are or which ISP you are using.

    Runbox provides secure and sustainable email services, powerful email, domain, and web hosting for businesses.

    Tiliq is a modern, more affordable email service for your domains that is bringing email into the 21st century. Email has been stuck in the stone ages. Out of all of the web technologies in the world, email is the only one that has not had any updates for decades. With Tiliq, you get the lowest price in the industry, the latest and best technologies to make your email come to life, and the best support available anywhere in the market.

    Afterlogic Webmail is a premium webmail experience with corporate-grade support

    Canary Mail is an email app for Mac and iOS.

    CenturyLink® Business Applications, from Email, Collaboration and File Sharing tools, to Website hosting and Comprehensive Security include monthly pay-as-you go model to help your business save money and empower your whole business. CenturyLink Business Applications offer powerful tools without having to buy expensive software or worry about upgrades and troubleshooting. Business Applications don't just help you save time and money, they help you improve overall efficiency by enabling easy collaboration across your whole business. Customers can provision CenturyLink Business Applications through one of our Business Bundles or al a cart. This is a great way to help you meet your Digital Transformation needs. The monthly subscription model exposes your business to technology that would normally be cost prohibitive. Categories of Business Applications: • Email and Collaboration (Microsoft Office 365) • File Sharing, Managment, Archiving and Backup (Egnyte File Synch and Share) • Fast Forward Onboarding • Website Managment • Remote IT Support • Security (Symantec Endpoint Protection)"

    Clearnet is an email service provider where the user can set up an email account and begin sending and receiving emails.

    Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.

    Mail, calendar and address book as a service.

    eConnect Email is a powerful email application allowing businesses to build, send and track email campaigns. eConnect Email is simply, email done better.

    e FleetMail system is a complete ship-shore data communication solution that effectively provides business e-mail, private crew e-mail and automatic file transfer to ships and shipping / management companies.

    GMS provides messaging servers for Windows, Linux, Solaris and AIX versions.

    Helpmonks is a cloud-based shared mailbox solution that allows teams to collaborate on email conversations.

    Learn More About Email Software

    BACK TO TOP