[Tickets #3699] zip attachments get broken when sending as PGP/SMIME signed

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Ticket URL: http://bugs.horde.org/ticket/?id=3699
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 Ticket             | 3699
 Updated By         | Michael Slusarz <slusarz at mail.curecanti.org>
 Summary            | zip attachments get broken when sending as PGP/SMIME signed
 Queue              | IMP
 Version            | HEAD
 State              | Assigned
 Priority           | 2. Medium
 Type               | Bug
 Owners             | Michael Slusarz
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Michael Slusarz <slusarz at mail.curecanti.org> (2006-03-28 12:39) wrote:

> But there is still a Problem, when I send (using IMP) the same zip 
> file once PGP signed and once without signing. In the first case it 
> is not possible to open or download the zip file with IMP again. I 
> just get an empty window.

Have you verified that IMP is not still attaching the message as a
text/plain part?  This obviously won't work if the zip part is still being
sent as text/plain in Q-P as we (on purpose) don't send Q-P data binary
safe. See e.g. Bug 3565.

This works absolutely fine for me (the zip file is being attached as
application/x-zip-compressed and being sent base64 encoded).