Re: [exim] counting number of adresses in From

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Author: Phil Pennock
Date:  
To: Arkadiusz Miśkiewicz
CC: exim-users, Todd Lyons
Subject: Re: [exim] counting number of adresses in From
On 2012-04-06 at 11:56 +0200, Arkadiusz Miśkiewicz wrote:
> > > Date: Wed, 4 Apr 2012 08:14:35 -0500
> > > From: <some@???>,
> > > <someother@???>
> > > User-Agent: Mozilla/5.0


> How to catch emails with such invalid header?


Edit the source code, receive.c, around line 1775, to set some variable
based upon this.

Beware that this:
----------------------------8< cut here >8------------------------------
<"some:other"@???>
----------------------------8< cut here >8------------------------------
would be a valid header line, with a header name of '<"some'.

The valid characters for a header-name are the printable US-ASCII
characters. This is dictated by RFC 5322. That line could as well be:
----------------------------8< cut here >8------------------------------
<someother@???>:
----------------------------8< cut here >8------------------------------
and '<someother@???>' would be the header name. If Exim didn't
accept it, then Exim would be buggy.

I think you may want to consider using separate spam-filtering software
to accomplish your goals.

-Phil