About

Swaks is a featureful, flexible, scriptable, transaction-oriented SMTP test tool written and maintained by John Jetmore. Features include:

• SMTP extensions including TLS, authentication, pipelining, and XCLIENT
• Protocols including SMTP, ESMTP, and LMTP
• Transports including unix-domain sockets, internet-domain sockets (IPv4 and IPv6), and pipes to spawned processes
• Completely scriptable configuration, with option specification via environment variables, configuration files, and command line

Download

The latest version of Swaks is 20130209.0, which can be downloaded as a package or a standalone script.

There is also a versions page which lists every released version of Swaks, complete with changelogs and download links.

Documentation

The reference documentation from the latest release, which includes quick-start examples, is available. There is also an Occasionally Asked Questions document.

News (rss)

• 2013-02-09 - Swaks Release 20130209.0 Available
• 2012-03-20 - Swaks Release 20120320.0 Available
• 2012-02-23 - Swaks IPv6 Support - Initial Draft
• 2012-01-09 - About The Name Swaks...
• 2011-12-30 - Swaks Release 20111230.0 Available