MS gateway checking for valid users before delivery

[Erick Perez]

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good lord! I've been out of sendmail business for quite a while. Just
read the milter page in http://www.milter.info//sendmail/milter-ahead/
and it was like chinesse (no offense) to me.

Will keep reading the milter page but hope some other postfix-aware
solution gets posted.

BTW thanks Chris!!!!


On 12/28/05, Chris Stone <cstone at axint.net> wrote:
> On Wednesday 28 December 2005 06:44 pm, Erick Perez wrote:
> > Hi, I've never implemented or read about how to setup the following
> > config, so I wish some ideas can be given by the members of this list.
> >
> > in the past few days our microsoft exchange server is taking about 25k
> > to 35k emails per day. All spam, destined in 80% of the cases to
> > non-existent addresses in our company. So i think is a good time to
> > give MS a try.
> >
> > I will use centos 4.2, MS, Postfix (or sendmail, but like postfix),
> > MySQL,ClamAV and mailwatch to setup the antispam gateway (yes, we do
> > not have spam protection blame the board of directors and the budget
> > cuts).
>
> Don't know how to do it with Postfix as the MTA but with Sendmail it's as easy
> as installing milter-sender (commercial) or milter-ahead (free). They will
> check the backend server defined through the mailertable.db file for valid
> addresses - if that backend server accepts the message, then sendmail will
> and it'll go through your MailScanner processing, otherwise, Sendmail
> (actually milter-ahead) will cause rejection of the messages. Works quite
> well.
>
>
> Chris
>
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--

-------------------------------------------
Erick Perez
Linux User 376588
http://counter.li.org/  (Get counted!!!)
Panama, Republic of Panama

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