[Bug 1396935] [NEW] MIME-header-encoded ', ' splits/cuts "From" header

Jan Kratochvil 1396935 at bugs.launchpad.net
Thu Nov 27 10:55:29 CET 2014

Public bug reported:

For mail with a header:
  From: =?utf-8?B?TVVTSUwsIFRvbcOhxaE=?= <tomas.musil at xxx.tld>

Mailman will decode it as mail address <musil> asking for non-subscribed mail address approval.
$ perl -MMIME::Base64 -le 'print decode_base64("TVVTSUwsIFRvbcOhxaE=")'
MUSIL, Tomáš

The mail comes from some Microsoft crap but it is a bug in Mailman as according to RFC 2047 6.2:
  NOTE: Decoding and display of encoded-words occurs *after* a structured field body is parsed into tokens.
at least according to: http://forums.mozillazine.org/viewtopic.php?t=318281

** Affects: mailman
     Importance: Undecided
         Status: New

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  MIME-header-encoded ',' splits/cuts "From" header

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