Sendmail Alternatives for Linux
There are many alternatives to Sendmail for Linux if you are looking for a replacement. The best Linux alternative is Zimbra Collaboration Suite, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Sendmail and 18 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Sendmail are Zentyal, Postfix, OpenSMTPD and sSMTP.
Sendmail alternatives are mainly Mail Servers but may also be WebMail Providers or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Sendmail.
- Freemium • Open Source
- Mail Server
- Calendar App
- Team Collaboration Tool
42 alternatives to Zimbra Collaboration Suite- Linux
- Online
- Self-Hosted
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Zentyal is a native Microsoft Active Directory implementation on Linux incorporating all the network services required in a small and medium business environment: Directory & Domain Server, Mail Server, Gateway and Infrastructure Server.
Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol.
Features
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 anything hogging up CPU; Just sSMTP. Unlike Exim4, sSMTP does not receive mail, expand aliases, or manage a queue.
Features
DiscontinuedThe last update was in 2013.
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
Features
In the default mode, it transmits a mail to an SMTP server (for example at a free mail provider) which takes care of further delivery.
Features
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services within a single, consistent, framework.
A small Mail Transport Agent (MTA), designed for home and office use. Part of DragonFly BSD , it accepts mails from locally installed Mail User Agents (MUA) and delivers the mails either locally or to a remote destination.
Features
- Paid • Proprietary
- WebMail Provider
- Email Client
- Mail Server
69 alternatives to Atmail Email Server- Linux
- Online
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
Features
