On 10/10/2012 10:38, Ian Eiloart wrote:
> On 1 Oct 2012, at 15:34, Molly Fletcher <[email protected]> 
> wrote:
>
>> That is the mail back to the user is sent to ">[email protected]" 
>> rather than "[email protected]" which is then rejected by our 
>> exchange server when exim passes the message to it for local delivery 
>> generating a bounce. The only change to the main exim configuration related 
>> to this filter was to set "message_body_visible = 32768" so the filter scans 
>> enough message body to catch all numeric URLs.
>>
>> Does anyone have any suggestions where the extra ">" on the start of the 
>> address might be coming from or why it only seems to happen some of the time 
>> and not all?
>>
>> This is with exim4-daemon-heavy 4.76-3ubuntu3 running on ubuntu 12.04 LTS 
>> server amd64.
>>
>> The exim configuration is monolithic I'll post any bits if necessary but 
>> it's a bit big to put in the initial post.
> I think the address for Mail is taken from the "From" header, not the 
> envelope. So do check that that's not inaccurate.

Perhaps if the From: header is already corrupt, e.g:

        From: A Hacker <<[email protected]>

then Exim get its wrong when generating the bounce?



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