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List:       postfix-users
Subject:    Re: smtpd_sender_login_maps clarification ?
From:       wietse () porcupine ! org (Wietse Venema)
Date:       2002-05-31 14:26:33
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Frank Bonnet:
> hi
> 
> I need a little light about smtpd_sender_login_maps parameter.
> 
> Supposing I have a user with the login name : pgeist 
> Supposing he also has an alias called       : p.geist@my.domain 
> Supposing he signs his email (MAIL FROM)    : p.geist@my.domain
> 
> is the following form correct in /etc/postfix/sender_map table ?
> for ONE user ?
> 
> pgeist@my.domain  pgeist
> p.geist@my.domain pgeist

The form is correct.

You need to list (on the left-hand side) all the MAIL FROM addresses
that the authenticated user pgeist is allowed to use.

This prevents pgeist from sending mail with other MAIL FROM addresses
into your SMTP server.

This also prevents anyone else from sending mail with pgeist's MAIL
FROM addresses into your SMTP server.

	Wietse
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