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Maniphest T7813

GpgOL: Message "Not all attachments can be shown, exceeds maximum size" incorrectly shown
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Description

After/while fixing T7722 I did run into the Error message:

Not all attachments can be shown.

The hidden attachments are:
longname.withextralongextension

The mail exceeds the maximum size GpgOL can handle on this server.

i.e. attach_to returned errocode 0x80004005.
As the attachment was only 80k I checked for the reason and discovered that the sanitizeFileName T6864 can break the extension as they remove "..".
The filename was truncated and ended with "..." plus ".msg" (sometext.sommorelongtext....msg) extension so all 4 dots got removed and the extension was no longer "msg" but "somemorelongtextmsg" which was ok for creating the temp filename but outlook didn't like it.

Revisions and Commits

rO GpgOL
rOcabcf9dcbb92 Fix one reason for Not

Related Objects

Event Timeline

mmontkowski triaged this task as Normal priority.Sep 15 2025, 11:47 AM
mmontkowski created this task.
mmontkowski added a commit: rOcabcf9dcbb92: Fix one reason for Not.Sep 15 2025, 9:35 PM
mmontkowski mentioned this in Unknown Object (Maniphest Task).Sep 22 2025, 10:11 AM
• ebo changed the task status from Open to Testing.Sep 23 2025, 8:44 AM
• ebo added projects: gpgol, vsd33, gpd5x.
• ebo moved this task from Backlog to WIP on the gpd5x board.
• ebo moved this task from Backlog to QA on the vsd33 board.
timegrid added a subscriber: timegrid.Sep 23 2025, 3:51 PM

Looks good to me on vsd-3.3.3-beta90.12 @ win10:

Original message subject:
Test vom 04.08.2025, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit sehr langem subject, mit se...

Sanitized filename:
Testvom04.08.2025mitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitsehrlangemsubjectmitse.msg

timegrid moved this task from QA to vsd-3.3.3 on the vsd33 board.Sep 23 2025, 3:52 PM
timegrid edited projects, added vsd33 (vsd-3.3.3); removed vsd33.
• ebo renamed this task from Not all attachments can be shown, exceeds maximum size to GpgOL: Message "Not all attachments can be shown, exceeds maximum size" incorrectly shown.Sep 30 2025, 9:04 AM
• ebo moved this task from Backlog to Done on the gpgol board.Thu, Oct 9, 10:50 AM
• ebo moved this task from WIP to QA on the gpd5x board.Wed, Oct 22, 4:31 PM
timegrid moved this task from QA to Done on the gpd5x board.Thu, Oct 23, 3:39 PM

Looks good to me on gpg4win-5.0.0-beta395 @ win11

Tested:

  • Subject with >256 chars ("Test vom 04.08.2025...")
  • Subjects with 1, 2 and 3 dots

I attached those mails and checked if i could open them and drag & drop them on the desktop.

timegrid mentioned this in T7871: GpgOL: Msg export of mails with long subjects broken.Thu, Oct 23, 3:39 PM