[ExchangeList] Re: IMF config
- From: "Jim Harrison" <Jim@xxxxxxxxxxxx>
- To: <exchangelist@xxxxxxxxxxxxx>
- Date: Thu, 1 Jun 2006 06:54:34 -0700
http://www.msexchange.org
-------------------------------------------------------Don't confuse "what they
do" with functional practices.
There are *lots* of small businesses sending mail that can't get a PTR
record because of their ISP polices.
Are you prepared to maintain your own PTR records for each and every
non-UCE server that can't provide a "real" PTR lookup? ..it's what
you'll have to do.
-----Original Message-----
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew English
Sent: Thursday, June 01, 2006 4:33 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: IMF config
Uhm so what your saying is there is no way to drop RDNS failed emails
correct? Yes I have Reverse lookup enabled on my Exchange for incoming
emails, however emails that file still get through, so there has to be
an easier way to blacklist the IPs that fail.
There mail servers on the net that do just that. Hence if your IP
doesn't have a PTR record your company is screwed big time!
Regards,
Andrew
________________________________
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Simon Whale
Sent: Thursday, June 01, 2006 6:57 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: IMF config
Its NOT something that you do with IMF but you can get exchange to do
reverse dns checks but be aware that this increases the load on the
server
http://support.microsoft.com/default.aspx?scid=kb;en-us;319356
Exchange 2000
http://support.microsoft.com/default.aspx?scid=kb;en-us;823019
Exchange 2003
Regards
Simon
________________________________
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew English
Sent: 01 June 2006 12:05
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: IMF config
Is there anyway to get IMF to drop emails that fail reverse lookup?
Thanks
Andrew
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