email.encoders.encode_base64 creates one line only

spam at spam at
Sun Feb 6 20:23:53 EST 2011

This is with python 3.1.2 (r312:79147). I have not tried with 2.7.

When I create an attachment with email.mime.image.MIMEImage, by default it 
uses email.encoders.encode_base64 for the encoder, but that results in a 
single line base64 string, instead of the recommended multiple 76-chars lines.

This works with most MTA and MUA, but some of them choke on it.

Is this a bug, or do I need to write my own _encoder?


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