25 libraries in this category
Modular email validator for syntax, disposable, smtp, etc... checking.
CSS inliner for your HTML emails
A robust and flexible email library for Go
A Go library for email verification without sending any emails
DKIM library, to sign & verify email
Golang library for providing a canonical representation of email address
IMAP library for clients and servers
A simple Go library for sending mails in Go
Streaming library for the Internet Message Format and mail messages
Inline styling for HTML mail in Go
Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send
Golang package that generates clean, responsive HTML e-mails
All-in-one (SMTP, IMAP, DKIM, DMARC, MTA-STS, DANE) email server
Send encrypted emails to blockchain addresses written in Go
Go library for sending mail with the Mailgun API
Email and SMTP testing with web and API interface
Email and SMTP testing tool for developers
Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library `net/smtp`
Modern full-featured secure mail server for low-maintenance, self-hosted email
SendGrid's Go library for sending email
SMTP server protocol state machine
Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment
Configurable Golang email validator/verifier. Verify email via Regex, DNS, SMTP and even more
Batteries-included IMAP client with auto-reconnect, OAuth2, IDLE support, and built-in MIME parsing
Lightweight SMTP client providing an HTTP API