Guillaume wrote:

> Hello,

> I Googled my interrogation and searched the list, but it was irrelevant, 
> so I am posting my question here.

> In my company, we are currently hosting mails for some domains.  So, if 
> someone sends an email to one of these domains, for example to 
> [EMAIL PROTECTED], Postfix rewrites it to [EMAIL PROTECTED] and sends it to 
> AMaViS, XX being a number, the one assigned to the user the email is 
> sent to.

> However, in my Amavis configuration file, for the whitelist of these 
> domains, we put something like ".foo.com => read_hash("whitelist_file")"

> That doesn't work since amavis receives the recipient as @ourdomain.com
> instead of @foo.com (from Postfix).  The easy solution would be to add 
> each email we are hosting in the file, pointing to the whitelist file.  
> However, this is a long process and is not very efficient.  I though of 
> regexes, put it didn't work either.

> So, I was wondering if there would be a way of telling amavis to rewrite 
> the recipient address from [EMAIL PROTECTED] to [EMAIL PROTECTED], in the 
> configuration file.  Is it possible?  If not, could this problem be 
> solved with a regexp?  If so, how?

> Thank you for your help!  And sorry for my bad english, my mother tongue 
> is French...

> Good day,
> Guillaume Gervais.

Assuming you are using amavisd-new as an 'after queue' content filter
you could investigate delaying address rewriting until after that mail
has already passed through amavisd-new (address rewriting would occur
when the mail is reinjected).

http://www.postfix.org/postconf.5.html#receive_override_options
http://www.postfix.org/FILTER_README.html#advanced_filter
http://www.ijs.si/software/amavisd/README.postfix.txt

You can use either receive_override_options or two cleanup services.
In addition to what happens when mail is received via smtpd, consider
what happens to mail received via the pickup service - notably if you
are overriding the content_filter (-o content_filter=) for the pickup
service. You may have to juggle placement of
receive_override_options=no_address_mappings between main.cf and
master.cf. I'm sure there are other options, but I would personally
choose this.

Gary V


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