[Dovecot] SIS errors - was Error from mobile client (Palm Pre)

[Timo Sirainen]

On Thu, 2010-12-02 at 10:40 -0800, Daniel L. Miller wrote:
> On 12/1/2010 11:02 AM, Daniel L. Miller wrote:
> >
> > On 12/1/2010 10:49 AM, Daniel L. Miller wrote:
> >> On 11/30/2010 8:09 PM, Daniel L. Miller wrote:
> >>> Continuing to see errors on this with some new messages.  Is it 
> >>> possible this has anything to do with zlib plugin, or possibly 
> >>> having a mix of zlib compressed & uncompressed messages with mdbox?  
> >>> I recently added zlib to deliver plugin list.
> >> I don't *think* I'm losing mail with this - but some clients are 
> >> handling this worse than others.  I think it's a result of running 
> >> the nightly purge, and having new mails being zlib compressed via 
> >> deliver while having old mails uncompressed - and then doveadm 
> >> combines them into a given mdbox file during the purge.  Something's 
> >> being messed up in the indexes as a result.
> >>
> Timo - any suggestions?  Are you working on this or is there something I 
> should be doing?

I'll try to look into this soon.. You could of course see if disabling
zlib plugin makes it work again? Or the best would be if you could get a
copy of such mdbox storage where this is reproducible with a doveadm
fetch command. I could then send some debug patches if I can't reproduce
this myself.