[TriLUG] Re: AOL up to it's old tricks

Dan Monjar daniel.monjar at na.biomerieux.com
Tue Oct 21 11:37:00 EDT 2003


--On Tuesday, October 21, 2003 11:24:09 AM -0400 "Lance A. Brown" 
<lance at bearcircle.net> wrote:

> Dan Monjar wrote:
>
>> Also, as of 10/1 apparently, AOL is doing a reverse DNS lookup on the
>> sending SMTP box.  ALL mail from my company to AOL was bouncing until
>> I could get the reverse RR in place.
>
> That is a fairly typical anti-spam tactic.  Well-configured mail relays
> *should* have PTR records defined for their IP addresses.
>
> --[Lance]
>

I hit send too quickly... more to the point, how do you dynamic IP folks 
handle the problem?  dyndns.org can supply a forward pointer for your IP 
address (say monjar.dyndns.org pointing to 1.1.1.1) but since they don't 
own the 1.1.1.0 block they can't setup the reverse record, right?

-- 
Dan
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