MailerQ is a high performance Mail Transfer Agent (MTA) and a very fast SMTP server, designed for delivering large volume emai ...

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

A small Mail Transport Agent (MTA), designed for home and office use. Part of DragonFly BSD , it accepts mails from locally in ...

SSMTP is a program which delivers email from a local computer to a configured mailhost (mailhub). It is not a mail server (lik ...

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

Portable, extendable, zero-config email server for JVM and Ruby.

1. Portable Just copy and run. Only dependency is Java. Need to ...

* NEW PRICING MODEL * FREE VERSION This is the big news we want to bring to the commercial MTA arena: a version of our MTA wit ...

PowerMTA is an “enterprise” grade infrastructure application for email built to address the challenges of critical digital mes ...

Available in Windows and Windows Server via the optional IIS role. Configure SMTP e-mail in IIS when you want to deliver e-mai ...

Sendmail is a general purpose internetwork email routing facility that supports many kinds of transfer and delivery methods, i ...

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

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

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

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