smtptest provides SMTP server for testing.
MIT License
A Go library for email verification without sending any emails.
Minimal SMTP client in Go. Handles MX lookup, mail server connection on common ports.
Web and API based SMTP testing
📤 An SMTP client & server library written in Go
The best way to send emails in Go.
Simple additions to Go's net/smtp package
An email and SMTP testing tool with API for developers
SMPP 3.4 Protocol for the Go programming language
httpstub provides router ( http.Handler ), server ( *httptest.Server ) and client ( *http.Client ...
Go SMTP server library