Of course, we're having a problem right now with reverse DNS lookups. Seems
the way our IP classes were set up (originally within the .oh.us domain)
mean we're not authoritative for our own DNS, and so no one even gets to see
our PTR records. We're working on resolving this, but reverse DNS is still a
bad word with me....
--Cal Frye, Western Reserve Academy, Hudson, Ohio
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of ## Dusty Carden
Sent: Friday, September 10, 1999 9:49 AM
To: [EMAIL PROTECTED]
Subject: Re: [IMail Forum] SMTP security
It is actually an iffy subject since RFC's say you should not do
this. However RFC's also state you have to accept mail from <>
yet we have the option in Imail to do this. I realize reverse lookups
would take more time but having that as an option would not be
bad especially since more and more it is becoming an issue of where
certain messages originated.
Dusty
----- Original Message -----
From: Jeff Bronson <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, September 10, 1999 8:29 AM
Subject: [IMail Forum] SMTP security
> Is there a way to get Imail 5.0 to do a reverse DNS lookup on incoming
SMTP
> connections to prevent spamming and hacking?
>
> SLmail can do this....if the IP doesnt resolve, the connection is
terminated.
>
>
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