Len always makes a good point. Relaying in a controlled environment as a
sort of mail pump is appropriate.
----- Original Message -----
From: "Len Conrad" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, April 06, 2001 7:46 AM
Subject: Re: [IMail Forum] Open Servers
>
> >This may sound naive but what is the reason for email servers to relay
mail?
>
> There are lots of valid reasons for "controlled" relaying.
>
> > I never gave it any thought when we installed iMal but we now we
> > are getting spammed big time and I installed declude.exe which
> > taught me a ton about spam and mail servers. Ours was wide open
> > and we shut that off yesterday.
> > So back to my question, why do mail servers relay mail?
>
> 1. Go read the IMGate site. or at least look at the pictures. :))
>
> 2. a relay hub in a DMZ could recv/send mail for the maibox server
> behind the firewall on the private network.
>
> 3. a high volume mail source (AOL? big ISP? a newsleter publisher? a
> list server factory?) could use a bank of mail relay for sending
> outgoing mail, so the mailbox servers don't have to.
>
> 4. a virus scanner SMTP relay
>
> Len
>
>
>
> http://MenAndMice.com/DNS-training Austin,TX: 23,24- Apr; SFO,CA; 7,8
> May
> http://BIND8NT.MEIway.com : ISC BIND 8.2.3 "NT3" for NT4 & W2K
> http://IMGate.MEIway.com : Build free, hi-perf, anti-abuse mail gateways
>
>
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