[Dovecot] piegonhole sieve prepending header lines with an extra space

[Stephan Bosch]

Op 7/24/2013 3:30 PM, Stephan Bosch schreef:
> Op 7/24/2013 1:04 PM, Anand Kumria schreef:
>>
>> As I said, my suspicions are on 'mail_crlf_save = yes', since that 
>> *is* specifically modifying the headers associated with the message.
>>
>
> This setting has no effect on Sieve redirect since the message is not 
> saved. However, redirect does use Dovecot functionality that filters 
> headers and fixes line endings. What could be happening here is that 
> the header of the message is somehow consolidated into one big 
> Delivered-To header.
>
> I'll discuss this some more with Timo.

As you suggested earlier, this change may have something to do with it:

http://hg.rename-it.nl/dovecot-2.2-pigeonhole/rev/e439789e3211

The reporter of the bug that led to this change indicated that Exim 
presents strange behavior when the message mixes LF and CRLF line 
endings in the header. Since your next-hop MTA is also Exim, this may 
have the same root cause.

Please try to apply this change and see whether this problem persists. 
If this fixes it, I should make a new release soon.

When the problem persists, try to capture the outgoing message before it 
enters the MTA, e.g. by pointing sendmail_path to a shell script that 
saves the message somewhere. That way we can see what mail is actually 
being sent to the MTA.

Regards,

Stephan.