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
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    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.

    *Secure email hosting for your business* Email@yourdomain.com Get a custom domain email for your business. Create unique and professional email addresses for your employees with your company domain. Secure, ad-free email with 99.9% uptime guaranteed Zoho Mail guarantees you the most wanted availability with the utmost security and privacy to your account via EAR, TLS and TFA authentication. Seamless email migration Make your switch simple using our Migration tools. Our expert 24x7 technical support will help you make a smooth transition to Zoho Mail. Control Panel Manage your business emails from Zoho Mail’s powerful Control Panel. Admins can set up individual mailbox quotas and privileges, 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! A newer way to email Zoho Mail has brought the best elements of social into email, letting you tag people or share folders in a click. Streams will let you get social, and help you spend more time outside the (in)box. 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?

    Front
    (93)4.7 out of 5
    Optimized for quick response
    Optimized for quick response

    Front is reinventing email for the way teams work. With new workflows, efficient collaboration, and all their communication channels in one place, nearly 5,000 businesses rely on their Front inbox to accomplish more as a team. Try Front for free at frontapp.com.

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

    MDaemon Email Server
    (61)4.7 out of 5
    Optimized for quick response
    Optimized for quick response

    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.

    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.

    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.

    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.

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

    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.

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

    Hop is now Spike! 😎 Spike is the world’s first conversational email app. We’re upgrading the way businesses work, saving you and your team time, sanity, and a lot of headaches. Our goal is simple: bring all of your communication -- your emails, chats, calls, team collaborations, tasks, everything -- to one place. It’s what your team has been looking for in a productivity and messaging app, but easier, and all from your inbox. Spike works on top of any existing email (O365, G suite, and IMAP) and is available on iOS, Android, Mac, Windows & Web! Welcome to the shortest path to done ✔️

    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.

    Micro Focus GroupWise is a complete collaboration software solution that provides email, scheduling, instant messaging, task management, contact management, and document management functions.

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

    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.

    SmarterMail is a scalable business email server for small businesses.

    Airmail is an email client for Mac and iPhone.

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

    Take control of your day with Postbox's super-customizable interface. Make your email work for you, just the way you need it to.

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

    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.

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

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

    Represent your business with a customized email address and your own domain name. Manage your inbox with simple, secure, and affordable email hosting.

    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.

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

    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.

    Kerrio Connect makes email, calendars, contacts, and task management easy by putting it all in one place

    The email server software delivers low total cost of ownership (TCO) value designed to meet the needs of small- to medium-sized business customers.

    Name.com is an ICANN accredited domain name registrar and web hosting company.

    Newton is an email app offering a host of features for modern-day business communication.

    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.

    RainLoop is a web based email client.

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

    SWISS SECURIUM is a secure platform for communication and collaboration.

    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.

    Premium webmail experience for your users, and corporate-grade support for you. Webmail front-end for your existing IMAP mail server. It uses a powerful AJAX interface for faster access to your emails. Available for both major web platforms: ASP.NET (Windows only) and PHP (Linux/Windows). Full-featured Yet minimalistic, WebMail Pro delivers all the features users would expect. Built on the latest HTML5 and CSS3 technology. Commercial-grade maintenance Dedicated developers team adds new features and improvements on a regular basis. Secure Can run on a secure HTTPS server and communicate with a mail server over SSL connection. International More than 30 languages, right-to-left interface support (for Hebrew and Arabic), date and time formats. Has Personal Calendar Supports single and recurring events with reminders, can act as CalDAV server for syncing with external applications and mobile devices. Files Implements cloud storage of files and folders, with DAV sync. Tasks Create tasks in the calendar and sync them with CalDAV clients. ActiveSync option ActiveServer is a premium add-on which brings ActiveSync support to WebMail Pro and Aurora. Professional support We're always here to help you quickly resolve issues and keep things up to date. Guaranteed responses and prompt bug fixes for your peace of mind. Plugin framework and API for seamless integration A set of developer tools lets you extend the application in many ways, including user interface adjustments, Single-Sign-On, and more. Mobile sync for Mail, Contacts, and Calendar Let your users keep their data in sync with IMAP, CardDAV and CalDAV support. iPhone and iPad can get sync settings automatically. Mobile version It's another option to work with e-mail on smartphones. Optimized for small screens and touch input. OpenPGP Encrypt, sign, decrypt and verify e-mails right in the browser. All the crypto takes place directly in the browser, neither PGP keys nor decrypted data are sent to the server. Paranoid Encryption A strong AES-256 browser-based encryption in Files module. When enabled, encryption process occurs right in the browser, the server never has access to unencrypted data or encryption keys.

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