Errors sending email through RT: Duplicate header field

[Stephen Switzer]

Mike, 

   THANK YOU for this tip! I think this is exactly what I was looking
for and will try it out right away. 

Best regards, 

Steve 

On 2016-12-24 12:22 pm, Brady, Mike wrote:

> Steve 
> 
> I have encountered this before and it was Kolab adding the duplicate sender header in my case.   
> 
> It is valid to have have zero or one sender header.  The default Kolab configuration can produce invalid email by blindly always adding a sender header (which is wrong) that its own default amavis configuration (which is correct) rejects! 
> 
> Short answer, in /etc/kolab/kolab.conf set "sender_header" to false.  I think that the kolabd service needs to be restarted to pick up the change. 
> 
> Longer answer, see this thread http://lists.kolab.org/pipermail/users/2014-March/016979.html 
> 
> Regards 
> 
> Mike 
> 
> On 2016-12-24 23:00, steve at sbsroc.com wrote:
> 
>> Thank you. I understand that kolab is generating the error report (amavisd-new to be exact). I'm actually trying to find what's generating the duplicate field. If it's not the fault of any kolab componemts, then perhaps there's a way to disable this check for now?
>> 
>> Thank you.
>> Steve 
>> 
>> -------------------------
>> 
>> FROM: Aleksander Machniak <machniak at kolabsys.com>
>> SENT: Dec 24, 2016 2:01 AM
>> TO: users at lists.kolab.org
>> SUBJECT: Re: Errors sending email through RT: Duplicate header field
>> 
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