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The title of this article is incorrect due to technical limitations. The correct title is yEnc.

yEnc is a new, popular encoding method which offers binary-small with low overhead transmission for binaries on the Usenet or by email and other applications. Other encoding methods are BASE64, BinHex and UUencode. yEnc does not use MIME.

yEnc reduces the encoding overhead which can be as little as 1-2% compared to the 33%-40% of other encodings like UUencode and BASE64, although this is at the expense of transport reliability.

The yEnc homepage states that “all major newsreaders have been extended to yEnc support”. Neither Outlook Express nor Mozilla provide direct yEnc support for either news or mail, but there are plugins available.


TakeDown.NET -> “YEnc