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Alberto Bertogli a3685439dc docs: v1.7 release notes 1 week ago
cmd chasquid-util: Remove dependency on docopt-go 4 months ago
docker docker: Set the hostname option unconditionally 3 months ago
docs docs: v1.7 release notes 1 week ago
etc Implement HAProxy protocol support 7 months ago
internal modules: Update Go modules and regenerate protobufs 1 week ago
test test: Update Dockerfile to the new "go get" restrictions 3 months ago
.cirrus.yml cirrus: Remove Linux tests 1 week ago
.gitignore test: Remove dependency on wget 7 months ago
.gitlab-ci.yml gitlab-ci: Only run the image jobs if we have credentials 6 months ago
.mkdocs.yml docs: Add a page for known issues 2 weeks ago
.travis.yml travis: Remove references in documentation, allow to fail 1 year ago
LICENSE Add a license 4 years ago
Makefile test: Add stress tests 3 years ago docs: #chasquid has moved to OFTC 2 weeks ago
chasquid.go dovecot: Retry auto-detect until we find a usable socket pair 2 weeks ago
coverage_test.go test: Add tools to generate test coverage information 3 years ago
dnsoverride.go test: Add TLS tracking integration test 3 years ago
go.mod modules: Update Go modules and regenerate protobufs 1 week ago
go.sum modules: Update Go modules and regenerate protobufs 1 week ago
monitoring.go Add /exit endpoint to monitoring server 7 months ago


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

It is designed mainly for individuals and small groups.

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

Gitlab CI status Cirrus-CI Status Go Report Card Coverage


  • Easy
    • Easy to configure.
    • Hard to mis-configure in ways that are harmful or insecure (e.g. no open relay, or clear-text authentication).
    • Monitoring HTTP server, with exported variables and tracing to help debugging.
    • Integrated with Debian, Ubuntu, and Arch.
    • Supports using Dovecot for authentication.
  • Useful
    • Multiple/virtual domains, with per-domain users and aliases.
    • Suffix dropping (user+something@domainuser@domain).
    • Hooks for integration with greylisting, anti-virus, anti-spam, and DKIM/DMARC.
    • International usernames (SMTPUTF8) and domain names (IDNA).
  • Secure
    • Tracking of per-domain TLS support, prevents connection downgrading.
    • Multiple TLS certificates.
    • Easy integration with Let's Encrypt.
    • SPF and MTA-STS checking.


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

You will find all documentation here.


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

To subscribe, send an email to

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