Go SMTP server library
MIT License
smtptest provides SMTP server for testing.
Private EMail Server
Go RESTful API Boilerplate with JWT Authentication backed by PostgreSQL
Web and API based SMTP testing
SMPP 3.4 Protocol for the Go programming language
The best way to send emails in Go.
Native Go XMPP library
A Go library for email verification without sending any emails.
📤 An SMTP client & server library written in Go
Robust and flexible email library for Go
Simple additions to Go's net/smtp package
A Go implementation for SMTP2 protocol
Minimal SMTP client in Go. Handles MX lookup, mail server connection on common ports.
📩 An API that forwards HTTP-backed vendor mailer calls to an SMTP catcher