[Gllug] just a quick question

[Paul]

cheers for that Mike !

Actually I have full permission to do this. It is actually a company that I 
installed a Linux server for, and I just use it for an emailing system. 
They're whole business depends on everyone recieving a copy of messages from 
certain other companies.  I like the fact you alerted me to a potential risk 
though - I'll have to watch out for people putting diversion rules into the 
config files.
----- Original Message ----- 
From: "Mike Brodbelt" <mike at coruscant.demon.co.uk>
To: <paul at thinksolution.net>; "Greater London Linux User Group" 
<gllug at gllug.org.uk>
Sent: Saturday, February 11, 2006 8:37 PM
Subject: Re: [Gllug] just a quick question


> On Fri, 2006-02-10 at 15:05 +0000, paul wrote:
>> I'm teaching myself sendmail and have a pretty good grasp of it now, but
>> one thing still eludes me.
>>
>> Let's say I  make a mail group  for all the users in that group to 
>> recieve
>> mail from an account called thelist at ourdomain.com
>> Now I want to make it so that the group (lets call the group name 
>> "listers"),
>> also gets mail distributed to it, if the mail comes in from a particular
>> domain. so anyone emailing in from  xyz.com will be mailing the listers 
>> group
>> even if it is addressed to an individual within the group. so
>> mark at ourdomain.com could be the intended recipient but it will get 
>> diverted
>> to either the listers group or thelist at ourdomain.com
>>
>> Does anyone know how to achieve this with sendmail? Hopefully I can just 
>> edit
>> a text file as I don't yet know how to do all that M4 macro stuff. Any 
>> help
>> appreciated as always
>
> This used to be quite awkward, as recipient and sender addresses are
> rewritten through separate rulesets, and although it's easy to rewrite
> them to your hearts content, delivery agent selection is based on the
> recipient address, no the sender address. Also, a lot of the people who
> wanted this feature wanted to use it to silently copy all incoming mail,
> and the developers took a dislike to that for privacy reasons.
>
> The best and simplest way to achieve what you want to do here will
> probably be to use the synonym milter:-
>
> http://www.modulo.ro/content/view/55/1/
>
> All you need to do is add one line to your sendmail.mc file, re-generate
> the CF file, and configure the milter as directed. You should consider
> the implications of what you're doing before you put this in place
> though. You will be intercepting mail from certain senders, and you
> ought to ensure that you are not in breach of data protection or the RIP
> act. If its the companies mail system and/or all the users have agreed
> to the interception of their mail if it comes from some places, then
> you're probably OK.
>
> Mike
> 

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