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John Tolmachoff MCSE CSSA
Engineer/Consultant
eServices For You
www.eservicesforyou.com


> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:IMail_Forum-
> [EMAIL PROTECTED] On Behalf Of Adam Cohen
> Sent: Friday, June 06, 2003 10:37 AM
> To: [EMAIL PROTECTED]
> Subject: RE: [IMail Forum] SMTP_DELIV_FAILED w/ aol.com. problem..
> 
> Is anyone else having any trouble delivering to AOL?
> 
> It sounds like I am doing everything properly.. But the fact is I still
> can not deliver to AOL.com.....
> 
> Anyone else using Verio IP space able to test in case it is a Verio
> specific issue?
> 
> Thanks for everyone's input..
> 
> Confused,
> 
> Adam
> 
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Rod Dorman
> Sent: Friday, June 06, 2003 12:49 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [IMail Forum] SMTP_DELIV_FAILED w/ aol.com. problem..
> 
> 
> On Friday, June 6, 2003, 12:12:50, Adam Cohen wrote:
> A> I am not DNS aware enough to know.. but one potential issue though..
> A> could the fact that 129.250.227.175 reverses to mail.colony1.net
> A> cause a problem if my mail server identifies itself as
> A> mail1.colony1.net, then the recipient mail server (aol I am told has
> A> just made their reverse DNS procedure stricter) checks and does a
> A> lookup on my IP to get 129.250.227.175.  Then it does reverse and
> A> sees mail.colony1.net.  And mail1.colony1.net doesn't equal
> A> mail.colony1.net...  Could that cause an issue?
> 
> It shouldn't.
> 
> 129.250.227.175 reverses to mail.colony1.net
> mail.colony1.net resolves to 129.250.227.175
> mail1.colony1.net resolves to 129.250.227.175
> 
> Even a truly paranoid server should be satisfied with the above.
> 
> --
> [EMAIL PROTECTED]     "The avalanche has already started, it is too
> Rod Dorman              late for the pebbles to vote." ? Ambassador Kosh
> 
> 
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> 
> 
> 
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