Alternatives to Sendmail for all platforms with any license

Platforms

Desktop

Web / Online

Development

Indie / Classic

  • Zentyal icon

    Zentyal

    Zentyal is an email and groupware solution, natively compatible with Outlook, for those seeking a Microsoft Exchange alternative on...

    Open Source Linux

  • Postfix icon

    Postfix

    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and...

    Open Source Mac Linux

  • Zimbra Collaboration Suite icon

    Zimbra Collaboration Suite

    Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web...

    Freemium Linux Web / Cloud

  • Exim icon

    Exim

    Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

    Open Source Mac Windows Linux

  • Courier-MTA icon

    Courier-MTA

    The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP...

    Open Source Mac Linux BSD Self-Hosted

  • 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...

    Commercial Windows Web / Cloud

  • sSMTP

    sSMTP is a simple MTA to deliver mail from a computer to a mail server. sSMTP is simple and lightweight, there are no daemons or...

    Open Source Linux

  • OpenSMTPD icon

    OpenSMTPD

    OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions....

    Open Source Linux BSD Self-Hosted

  • Atmail Email Server icon

    Atmail Email Server

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

    Commercial Linux Web / Cloud

  • BulkMTA

    BulkMTA is Commercial Mail Server Similar to PowerMTA. IP Rotation, DKIM, Sender / Receiver Rate limiting

    Commercial Mac Windows Linux

  • Microsoft SMTP Server icon

    Microsoft SMTP Server

    Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be...

    Commercial Windows

  • Know any more alternatives to Sendmail?

    Suggest an application to this list
  • PowerMTA icon

    PowerMTA

    Email gateway application (SMTP server) that makes it easy for senders to adopt the latest authentication specifications ( SPF and...

    Commercial Windows Linux Self-Hosted

  • AtMail Open icon

    AtMail Open Discontinued

    AtMail is an open source webmail client written in PHP. We aim to provide a elegant Ajax webmail client for existing IMAP mailservers...

    Open Source Web / Cloud

  • Hectane icon

    Hectane

    An SMTP client that is extremely easy to configure and use, providing a simple HTTP API that is used for sending emails.

    Free Windows Linux

  • ArgoSoft Mail Server icon

    ArgoSoft Mail Server

    Powerful and simple SMTP/POP3/Finger server, with built in Web interface for accessing mail via Web browser. Supports security...

    Freemium Windows

  • Haraka

    Haraka is an open source SMTP server written in Node.js which provides extremely high performance coupled with a flexible plugin...

    Open Source Self-Hosted Node.JS

Sendmail Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about Sendmail ? Just click the button up to your right!