SubEtha SMTP - Easy-to-use server-side SMTP library for Java

SubEtha SMTP is a Java library which allows your application to receive SMTP mail with a simple, easy-to-understand API. This component can be used in almost any kind of email processing application. SubEthaSMTP's simple, low-level API is suitable for writing almost any kind of mail-receiving application.

It can be used for

• A mailing list manager (see SubEthaMail)
• A mail server that delivers mail to user inboxes
• A mail archiver
• An email2fax system
• SMTPseudo - A filtering forwarding server
• Baton - SMTP proxy for one or more backends (rules based on sender/envelope)
• Mireka - Mail server and SMTP proxy with detailed logging, statistics and built-in, fail-fast filters