The Best 64 Atmail Email Server Alternatives

  • Hushmail icon

    Hushmail

    Hushmail is a commercial email service focusing on security with features such as industry-standard OpenPGP encryption and two-step verification. All communications also use a secure SSL/TLS connection.

    Commercial iPhone iPad Web

  • MailMate icon

    MailMate

    MailMate is an IMAP email client for Mac featuring extensive keyboard control, Markdown supported email composition.

    Commercial

  • Microsoft Exchange Server icon

    Microsoft Exchange Server

    Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft. It is part of the Microsoft Servers line of server products and is widely used by enterprises using Microsoft infrastructure solutions.

    Commercial Windows Web

  • Webmail Lite icon

    Webmail Lite

    Open Source WebMail 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.

    Free Open Source Web Self-Hosted

  • Expanding Communication icon

    Expanding Communication

    Turnkey Solutions for the Enterprise Cloud Installation, Configuration, and Management tools for enterprise email, collaboration, messaging, video conferencing, file sharing, and file transfers.

    Commercial Linux

  • GeekInbox icon

    GeekInbox

    Geekinbox is an email as a service platform that includes an ajax powered webmail interface. Free Plans Available

    Freemium Web

  • Neomailbox icon

    Neomailbox

    Neomailbox has been providing secure and reliable email and private surfing services for over 10 years, enabling thousands of individuals and organizations to protect their privacy online.

    Commercial Web

  • Citadel icon

    Citadel

    Is a collaboration suite (messaging and groupware). It is designed to run on open source operating systems such as Linux or BSD.

    Free Open Source Linux Web

  • nvlope icon

    nvlope

    Simple and minimal email with custom domain and own API.

    Commercial Mac OS X Windows Linux

  • NOCC icon

    NOCC

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

    Free Open Source Web

  • Agenda Mahala icon

    Agenda Mahala

    Agenda Mahala is a great website to Learn English. On Agenda Mahala we have great English Courses, and both Level 1 and Level 2 are completely free. You also get an online notebook to keep the lesson appointments.

    Free Web

  • Sendmail icon

    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.

    Free Open Source Mac OS X Linux

  • InboxCube icon

    InboxCube

    For us Email is our lives. At the heart of our inbox lives a personal network of information and content that privately defines who we are.

    Free iPhone

  • OBM icon

    OBM

    OBM is a free messaging and collaboration platform useful for just a couple to many thousands of users with strong support for mobile devices.

    Free Open Source Mac OS X Windows Linux

    Real time collaboration CalDAV
  • NeoMail icon

    NeoMail

    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.

    Free Open Source Web

  • iMail icon

    iMail

    Fast, safe, heavy mail solution. Web-client access, LAN or WAN self-hosted server, maintenance-free design. No Windows server and database server required, unlimited mail accounts, storage, attachment size, custom logo.

    Free Windows Self-Hosted