metamail
MIME implementation
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    Package versionmetamail-2.7p6
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    MaintainerThe OpenBSD ports mailing-list
 
Metamail is an implementation of MIME, the Multipurpose Internet 
Mail Extensions, a proposed standard for multimedia mail on the Internet.
Metamail implements MIME, and also implements extensibility and
configuration via the "mailcap" mechanism described in an informational
RFC that is a companion to the MIME document.