sSMTP Alternatives

sSMTP is described as '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' and is an app in the office & productivity category. There are more than 10 alternatives to sSMTP for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted solutions. The best alternative is Postfix, which is both free and Open Source. Other great apps like sSMTP are OpenSMTPD, mailsend-go, Sendmail and Exim.

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sSMTP

Free • Open Source
Linux

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

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Postfix
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Free • Open Source
Mail Server
Mac
Linux
23 alternatives to Postfix
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.

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OpenSMTPD
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Free • Open Source
Linux
BSD
Self-Hosted
12 alternatives to OpenSMTPD
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.
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OpenSMTPD Features
SMTP Support
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mailsend-go
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Free • Open Source
Mac
Windows
Linux
6 alternatives to mailsend-go
mailsend-go is a command line tool to send mail via SMTP protocol. This is the golang incarnation of the C version of mailsend. However, this version is much simpler and all the heavy lifting is done by the package gomail.v2
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mailsend-go Features
1. Command line interfacemailsend-go either have CLI support or is a CLI-only app.
Support for TLS
SMTP Support
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Sendmail
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Free • Open Source
Mail Server
Mac
Linux
27 alternatives to 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.
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Sendmail Features
SMTP Support
Exim
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Free • Open Source
Mail Server
Mac
Linux
16 alternatives to Exim
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.
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Exim Features
SMTP Support
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msmtp
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Free • Open Source
Linux
Xfce
7 alternatives to msmtp
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.
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msmtp Features
Network Tools
SMTP Support
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blat
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Free • Open Source
Windows
6 alternatives to blat
Blat is a small, efficent SMTP command line mailer for Windows. It is the SMTP sending part of an eMail User Agent (MUA) or eMail client. As such, Blat sends eMail via SMTP (or internet eMail) from the command line, or CGI.
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blat Features
1. Command line interfaceblat either have CLI support or is a CLI-only app.
2. Support for scriptingblat supports scripts and macros to automate or customize tasks.
SMTP Support
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Courier-MTA
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Free • Open Source
Mail Server
Mac
Linux
BSD
Self-Hosted
12 alternatives to Courier-MTA
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.
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Courier-MTA Features
1. Mail FilteringCourier-MTA classifies email messages according to specified criteria, allowing you to automatically recognize fraudulent or spam messages.
SMTP Support
IMAP Support
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Dragonfly Mail Agent
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Free • Open Source
Linux
BSD
7 alternatives to Dragonfly Mail Agent
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.
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Dragonfly Mail Agent Features
SMTP Support
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CMail
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Free • Proprietary
Windows
6 alternatives to CMail
CMail is a command line e-mail sending tool. It was originally developed to assist with testing mail server and content analysis software. As a result, CMail provides many more message formatting and SMTP session control options than similar software.
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CMail Features
1. Support for scriptingCMail supports scripts and macros to automate or customize tasks.
2. Command line interfaceCMail either have CLI support or is a CLI-only app.
SMTP Support
Support for IPv6
Email automation
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Showing 10 of 19 alternatives

OpenSMTPD Features

mailsend-go Features

Sendmail Features

Exim Features

msmtp Features

blat Features

Courier-MTA Features

Dragonfly Mail Agent Features

CMail Features