MailHog
Email and SMTP testing with web and API interface.
15,852
Batteries-included IMAP client with auto-reconnect, OAuth2, IDLE support, and built-in MIME parsing.
Email and SMTP testing with web and API interface.
Email and SMTP testing tool for developers.
All-in-one (SMTP, IMAP, DKIM, DMARC, MTA-STS, DANE) email server
Modern full-featured secure mail server for low-maintenance, self-hosted email.
Golang package that generates clean, responsive HTML e-mails.