GreenMail
greenmail-mail-test.github.io ↗In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. (GPL-2.0-only)
In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. (GPL-2.0-only)
This entry links to an external website rather than a GitHub repository, so there's no README to display here.