Top 8 Go smtp-server Projects

Mailpit

7 4,442 9.6 Go

An email and SMTP testing tool with API for developers

Project mention: Mailpit – email and SMTP testing tool with API for developers | news.ycombinator.com | 2023-11-24

inbucket

10 1,548 8.9 Go

Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
smtp2http

3 491 1.7 Go

A tiny software that receive a smtp request (email) and send it to the specified webhook as a http post request
smtprelay

7 400 7.0 Go

Simple Golang SMTP relay/proxy server
yggmail

1 130 7.7 Go

End-to-end encrypted email for the mesh networking age
go-smtp-mock

0 115 6.7 Go

SMTP mock server written on Golang. Mimic any 📤 SMTP server behavior for your test environment with fake SMTP server.
ControlCenter

11 93 3.2 Go

Mirrored from GitLab! Monitoring and automation for Open Source email servers, starting with Postfix. Please do not submit issues or PRs here - join us at: https://gitlab.com/lightmeter
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
mailcatcher

5 32 4.9 Go

Self hosted mail trash service for raspberry pi (by 0xERR0R)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).