Mailbox

Self-hosted Go newsletter sender with open/click tracking and unsubscribe handling.

Servicefreeglobal

Mailbox is a free, self-hosted newsletter sending system built in Go, deployable via Docker. It handles campaign creation, subscriber import, HTML email delivery through AWS SES, open and click tracking, and unsubscribe handling. Aimed at developers and small teams who want full control over their own newsletter infrastructure instead of paying a third-party email marketing platform.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of Mailbox - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

Claim Mailbox to unlock →

Try Matchbox with your own problem

Describe what is not working - we’ll show you whether Mailbox (or something else) actually fits.

Try a problem