May 26, 2018

Java parser for e-mail message streams

mime4j provides a parser, MimeStreamParser, for e-mail message streams in plain rfc822 and MIME format. The parser uses a callback mechanism to report parsing events such as the start of an entity header, the start of a body, etc. If you are familiar with the SAX XML parser interface you should have no problem getting started with mime4j.

The parser only deals with the structure of the message stream. It won’t do any decoding of base64 or quoted-printable encoded header fields and bodies.

The parser has been designed to be extremely tolerant against messages violating the standards.

mime4j can also be used to build a tree representation of an e-mail message using the Message class. Using this facility mime4j automatically handles the decoding of fields and bodies and uses temporary files for large attachments.

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