CMail

CMail is a command line mailer, originally developed for testing mail server software, but is…

14 Alternatives To CMail

BulkMTA

BulkMTA is Commercial Mail Server Similar to PowerMTA.
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Courier-MTA

The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open…

EmailSuccess

EmailSuccess is an advanced MTA built to handle the most critical reliability, performance, security, and deliverability requirements.

Exim

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

Hectane

Lightweight, cross-platform SMTP client

Mail-in-a-box

Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software and also includes contacts and calendar synchronization.

Mailer

Free utility to send emails from the command line. No Installation. All contained in one file.

Microsoft SMTP Server

Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site.

NikaMail

NikaMail is a portable, extendable, zero-config email server.

OpenSMTPD

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with…

PowerMTA

PowerMTA is an industrial-strength software for high-volume email delivery.

esmtp

esmtp is a user configurable relay-only Mail Transfer Agent (MTA) with a sendmail compatible syntax.

msmtp

msmtp is an SMTP client.
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sendEmail

sendEmail is a lightweight, command line SMTP email client.