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Adding Automatic Signatures

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Speculus

IS-IT--Management
Sep 12, 2002
7
GB
Does anyone know how to add a signature to all outgoing e-mails (am using Sendmail on linux and solaris).
Such as "mycompany limited, address...."?
Obviously, I could just put sigs on everybodies outlook configs but that'd be a drag!

Cheers
Neil.
 
From
Q3.35 -- How do I add a footer/signature to all (outgoing) e-mail messages?
Date: October 9, 2000
Updated: August 1, 2001
Updated: May 16, 2002

This is quite complicated. At first sight it might be simple: just "cat" some text (taken from a file or whatever) to the end of an e-mail message passing through sendmail. However, there is a big problem: what about structured e-mail messages, i.e., MIME messages? These can be arbitrarily complex and just "cat"ting a footer to the end of the body can break the MIME structure. (A MIME aware MUA will just not show such a footer, so it's pretty useless in any case.) But signed messages (think: PGP) will break. Another problem is the character set used by the mime part to which the disclaimer is added needs to match the actual character set of the disclaimer itself. Hence, there is no easy solution to this problem!

If you know enough about MIME and some C programming, then take a look at sendmail 8.11 and libmilter/README. It now offers the functionality to achieve this goal. However, it is unsupported by sendmail.org! Please don't ask us questions about libmilter. (However, we will fix bugs!)

Some open source milters are capable of adding footers, e.g. <a href=&quot;
 
Thanks D3vNull. Me thinks it might be tricky but maybe not totally impossible. Thanks for pointing me in the right direction.
 
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