chasquid is an SMTP (email) server with a focus on simplicity, security, and ease of operation.

It sends and receives email as a typical MTA (for example, can be used instead of Postfix or Exim), and it is designed mainly for individuals and small groups.

It's written in Go, and distributed under the Apache license 2.0.

Go tests Go Report Card Coverage



The how-to guide and the installation guide are the best starting points on how to install, configure and run chasquid.

Source code


If you have any questions, comments or patches, please send them to the mailing list,
To subscribe, send an email to

Security issues can be reported privately to

Bug reports and pull requests on GitHub are also welcome.

You can also reach out via IRC, #chasquid on OFTC.