Re: [exim] Strange system filter behaviour.

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Autor: Michael J. Tubby B.Sc G8TIC
Datum:  
To: Ian Eiloart
CC: <exim-users@exim.org>, Molly Fletcher
Betreff: Re: [exim] Strange system filter behaviour.
On 10/10/2012 10:38, Ian Eiloart wrote:
> On 1 Oct 2012, at 15:34, Molly Fletcher <molly.fletcher@???> wrote:
>
>> That is the mail back to the user is sent to ">user.name@???" rather than "user.name@???" 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 <<hacker@???>


then Exim get its wrong when generating the bounce?