[Dovecot] Re: corrupt attachments
chayes at afo.net
chayes at afo.net
Wed Dec 7 06:13:11 EET 2005
I'm seeing the same thing. I'm running Fedora 4 and have seen a rise in
complaints about corrupted attachments since we started using Dovecot. I am
not able to fix by direct text editing on the server either.
---------- Original Message -----------
From: Brian Thompson <brian at eng.wayne.edu>
To: dovecot at dovecot.org
Sent: Tue, 06 Dec 2005 21:18:59 -0500
Subject: [Dovecot] Re: corrupt attachments
> Hello all, any suggestions on this? It seems like a pretty
> serious issue and it hasn't reoccurred since we switched
> back to UW imapd.
> As I mentioned, it seems to be related to dovecot
> compiled on Solaris 10/x86... The same code compiled
> on Solaris 8/sparc seemed to work well.
> Brian Thompson wrote:
> > Not sure if this has already been covered, but any pointers
> > or suggestions would be greatly appreciated.
> > We just realized last night that dovecot-stable seems to be
> > corrupting the attachments within users' inboxes.
> > In an attempt to resolve the problem, we upgraded the
> > mail server here to Dovecot 1.0alpha4 but it didn't help.
> > To the best of our knowledge we didn't start experiencing
> > this phenomena until we migrated from Solaris 8/Sparc
> > to Solaris 10/x86 about 3 weeks ago.
> > To be more specific:
> > A non-corrupt attachment can be sitting within a user's
> > mail spool (mbox format) and live there without a problem
> > until an imap client goes to download the attachment via
> > dovecot.
> > At that time, dovecot seems to be stripping the last four
> > characters from each base64 encoded ascii line within the
> > attachment and rewriting the message within the mail spool
> > without those characters. From then on, the attachment is
> > permanently corrupt, even via local unix direct file access
> > clients such as pine or elm.
> > We've temporarily switched back to UW imapd, but users
> > have noticed the decrease in speed - not having the indexing
> > available.
> > Again, any suggestions would be greatly appreciated.
> > Thanks,
> > Brian
------- End of Original Message -------
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