Go Simple Mail by xhit
Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.
About Go Simple Mail
From the project's README at github.com/xhit/go-simple-mail. Lightly cleaned for readability; for the full source see the upstream repo.
The best way to send emails in Go with SMTP Keep Alive and Timeout for Connect and Send. IMPORTANT
Examples in this README are for v2.2.0 and above. Examples for older versions can be found here.
Breaking change in 2.2.0: The signature of and used to accept strings ("text/html" and "text/plain") and not require on of the constants ( or ). Upgrading, while not quite following semantic versioning, is quite simple: Introduction
Go Simple Mail is a simple and efficient package to send emails. It is well tested and documented.
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 694 | github.com/xhit/go-simple-mail |
| GitHub forks | 104 | github.com/xhit/go-simple-mail |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 6.6 years | since Sep 2019 |
| Last commit | 1.8 years ago | Jul 20, 2024 |
| Releases shipped | 26 | last: 2.7 years ago |
| Funding links | 2 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Ready to self-host Go Simple Mail?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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