MailHog
Email and SMTP testing with web and API interface.
15,753
IMAP library for clients and servers.
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.