Re: [exim] Extract email address from From header

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Author: Marc Perkel
Date:  
To: exim-users
Subject: Re: [exim] Extract email address from From header
Exim really should have a "from_address" command then. Really - does
this have to be that hard? I can't be the first one who tried to extract
the email address from the From header without using perl. Or is there
some easy trick I'm missing?

Richard Clayton wrote:

>
>In message <43C1354E.3010304@???>, Marc Perkel <marc@???>
>writes
>
>
>
>>OK - this can't be that hard but how do you extrace the email address
>>part from the $h_From: header?
>>
>>
>
>I'd recommend Perl... this is non-trivial
>
>
>
>>Shouldn't this work? ${local_part:$h_From:}@${domain:$h_From:}
>>
>>What am I missing?
>>
>>
>
>you appear to be assuming that there can be no "@" in the local part and
>that there are no comments :-( [and doubtless more nits as well]
>
>RFC(2)822 parsers are far from simple... hence my recommendation of
>finding an existing one and calling it from Perl
>
>of course you may be happy with a bodge and some hand-waving assumptions
>
>- -- 
>richard                                                   Richard Clayton

>
>Those who would give up essential Liberty, to purchase a little temporary
>Safety, deserve neither Liberty nor Safety. Benjamin Franklin 11 Nov 1755
>
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