[ExchangeList] Re: Reverse DNS Look-up and Mail
- From: "Carl Houseman" <c.houseman@xxxxxxxxx>
- To: <exchangelist@xxxxxxxxxxxxx>
- Date: Fri, 26 Oct 2007 13:25:02 -0400
Read the question and entire thread more carefully. She is asking whether
her own reverse-DNS problem affects her ability to RECEIVE mail FROM you.
Granted, the use of pronouns in the foillowup reply was somewhat ambiguous,
but the thread had already explained and established that "they" were
rejecting mail from her server due to her rDNS problem. Quoting with
annotations:
"Does this also affect if they [the party which is rejecting mails due to
rDNS issues] can send mail to you [the party with the rDNS problem[?"
Carl
_____
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of John T (lists)
Sent: Friday, October 26, 2007 12:04 PM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Reverse DNS Look-up and Mail
Yes, it most definitely does. Like Bruce stated, if you send an email to me,
I am going to run a plethora of tests to determine if that email is legit,
ham, spam or malicious. Those tests not only check the email itself, but
also check the server it came from, the domain it came from, the IP it came
from and so forth. So, if your sending server does not have a rDNS that is
going to fail one or more tests. If it does not have a correctly formatted
rDNS it is going to fail one or more tests.
John T
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Christine Allen
Sent: Friday, October 26, 2007 7:42 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Reverse DNS Look-up and Mail
Thanks,
I got one response that says it should not be affect, and one that says it
should. Does anyone else want to weigh in?
Regards,
Christine Allen, MCSE
Engineer II
MicroData Group, Inc.
100 Cummings Center, Suite 146N
Beverly, MA 01915
Voice 978.921.0990 x234
Fax 978.921.0950
<http://www.microdata.com> http://www.microdata.com
cid:image001.jpg@01C7D34E.69167DE0
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Bruce J. Rose
Sent: Friday, October 26, 2007 10:43 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Reverse DNS Look-up and Mail
Yes it does, because I cannot do a reverse lookup to verify it is coming
from you it would get rejected as spam
_____
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Christine Allen
Sent: Friday, October 26, 2007 9:45 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: RE: [ExchangeList] Re: Reverse DNS Look-up and Mail
Thanks.
Does this also affect if they can send mail to you? For example, I send you
a message at the correct email address, but it gets bounced back to me.
Regards,
Christine Allen, MCSE
Engineer II
MicroData Group, Inc.
100 Cummings Center, Suite 146N
Beverly, MA 01915
Voice 978.921.0990 x234
Fax 978.921.0950
<https://obiwan.microdata.com/exchweb/bin/redir.asp?URL=http://www.microdata
.com> http://www.microdata.com
_____
From: exchangelist-bounce@xxxxxxxxxxxxx on behalf of Michael B. Smith
Sent: Fri 10/26/2007 9:37 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Re: Reverse DNS Look-up and Mail
If you are sending e-mail from an IP address, you are pretty much required
to set rDNS these days. Otherwise, the big boys (AOL, Yahoo, others) will
not accept e-mail from you. Not to mention that some of the little guys
won't either (like me - I've only got a few 10's of thousands of e-mail
addresses).
From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Christine Allen
Sent: Friday, October 26, 2007 9:28 AM
To: exchangelist@xxxxxxxxxxxxx
Subject: [ExchangeList] Reverse DNS Look-up and Mail
Just a question. How many folks out there have reverse DNS lookup set-up
for their domains to support mail?
Regards,
Christine Allen, MCSE
Engineer II
MicroData Group, Inc.
100 Cummings Center, Suite 146N
Beverly, MA 01915
Voice 978.921.0990 x234
Fax 978.921.0950
<https://obiwan.microdata.com/exchweb/bin/redir.asp?URL=http://www.microdata
.com> http://www.microdata.com
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