AtMail Open!

AtMail Open alternatives

  • Roundcube

  • Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking. Roundcube's most prominent feature is the pervasive use of Ajax technology.

    tags: development hostable imap pgp-encryption php
  • Zoho Mail

  • Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to the customization and mailbox management needs of IT administrators. Additionally, Zoho Mail is integrated with 20+ other Zoho applications.

    tags: custom-domain document-sharing email-client email-hosting integrated-spam-protection
  • Squirrelmail

  • SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.0 (with no JavaScript required) for maximum compatibility across browsers. It has very few requirements and is very easy to configure and install. SquirrelMail has all the functionality you would want from an email client, including strong MIME support, address books, and folder manipulation.

    tags: courier cross-platform cyrus exchange hmailserver
  • Webmail Lite

  • Open SourceWebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use. Whether you need a free web browser based email client software for Windows ASP.NET or free web browser based email client software for Linux PHP, please download our software and use it at no cost for as long as you wish. You may also want to compare the WebMail Lite application features vs. WebMail Pro application by clicking the following link. »

    tags: fast-and-easy-setup webmail-service
  • NaSMail

  • NaSMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in HTML 4.01 with minimal JavaScript and CSS. It has very few requirements and is very easy to configure and install. NaSMail has all the functionality you would want from an email client, including strong MIME support, address books, and folder manipulation.

    tags: webmail-server
  • Atmail Email Server

  • Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.

    tags: address-book business-email email-client email-sending exchange-calendar-sync
  • Sendmail

  • Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, including the Simple Mail Transfer Protocol (SMTP) used for email transport over the Internet. A descendant of the delivermail program written by Eric Allman, Sendmail is a well-known project of the free and open source software and Unix communities, and has spread both as free software and proprietary software.

    tags: mail-server
  • NOCC

  • NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.

    tags: imap php pop3 smtp webmail-service
  • Flaskmail

  • Flaskmail is an email provider with focus on one thing, simplicity. It’s a perfect solution for individuals looking for a personalized email address or small businesses that want to put a more unique touch to their email accounts. Flaskmail comes with a modern, easy to use and free web mail client that is pared-down and provides only the functions you really need, emails and contacts. It doesn’t matter if you’re an individual or if you’re part of a larger team, if you are looking for a modern, beautiful and ad-free email experience, check out Flaskmail.com. »

    tags: email-client email-hosting domain-names email-host
  • PowerMTA

  • PowerMTA is an “enterprise” grade infrastructure application for email built to address the challenges of critical digital messaging environments and customer communications. PowerMTA™ is (advanced smtp software) providing unsurpassed reliability and delivery execution, with granular connection controls. Offering superior message throughput, simplified set up and configuration, and visibility through real-time reporting and tracking, PowerMTA™ pays dividends immediately. It is built on advanced multi-threaded persistent architecture—for messaging breakthrough that delivers unsurpassed resilience and performance. »

    tags: smtp mail-server smtp-server mta email-gateway
  • Pawnmail

  • Pawnmail was created to give domain name owners a simple email solution.

    tags: custom-domain donationware email-hosting
  • EmailSuccess

  • 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.

    tags: email-deliverability encrypted-email mail-server mail-transfer-agent mta
  • Microsoft SMTP Server

  • Available in Windows and Windows Server via the optional IIS role.

    tags: email-via-smtp exchange mail-smtp mta outbound-smtp
  • Thexyz

  • Thexyz build the best tools around for email to make your life simple. Continually updating the product offerings to give customers the very best in email and domain technology.

    tags: backup-and-restore business-email cloud-drive cloud-music-player data-recovery