On Sat, Dec 01, 2007, Manuel Leon wrote:
>
> Hi all....
>
>
> I would like to switch to CENTOS Postfix from sendmail. My current
> sendmail, in combination with
>
> the very old obtuse-smtpd, allows me:
>
> 1. To control who of the internal users can send mail and
> to which domain or accounts
You could control access by requiring them to send via the submission port
(587) with smtp-auth either using sasl or dovcot and postfix.
> 2. To control who of the internal users can receive mail and
> from which domain or accounts
I think would require some work using Chip Salzenberg's deliver program,
procmail, or some such MDA (Mail Delivery Agent) behind postfix. Off hand
I can't think of how one would do this directly with postfix.
> 3. To obtain a copy of all sent mails
>
> 4. To obtain a copy of all received mails
These two could be handled using always_bcc in postfix's main.cf.
>
> Obtuse-smtpd is very easy to configure and very effective. It takes
> control of all smtp activities over Port
>
> 25 and, after filtering and checking, passes the safe mails to
> sendmail for final delivery. Obtuse can, also,
>
> check for addressability, through DNS, of the mail sender and other
> useful features.
Postfix gives lots of options for incoming filtering using DNS, amavisd and
clamav etc. There's extensive documentation on the postfix web site,
http://www.postfix.org/
Bill
--
INTERNET: bill@xxxxxxxxxxxxx Bill Campbell; Celestial Software LLC
URL: http://www.celestial.com/ PO Box 820; 6641 E. Mercer Way
FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676
People from East Germany have found the West so confusing. It's so much
easier when you have only one party. -- Linus Torvalde, Linux Expo Canada
when asked about confusion over many Linux distributions.
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