Chris Martin
Rapid Systems
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Bruce Barnes
Sent: Friday, December 16, 2005 11:21 PM
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
Doesn't matter whether the ISP
I implemented RDNS checking in Imail when it was
first added to the product.
Within a month I removed the RDNS check.
I was investing an incredible amount of time
teaching the customers of my customers how to
set-up and run DNS with support for RDNS.
Or I was investing time
PROTECTED] On Behalf Of Bruce Barnes
Sent: Friday, December 16, 2005 11:21 PM
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
Doesn't matter whether the ISP or the SPAMMER sets up the RDNS.
Once we can validate an RDNS, we can prosecute both the ISPs who refuse to stop
Martin
Rapid Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Bruce Barnes
Sent: Friday, December 16, 2005 11:21 PM
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
Doesn't matter whether the ISP or the SPAMMER sets up th
Hi,
We do not use the reverse dns check for a spam check. I'm not sure, if the time
is right to switch it on. In earlier days, this check was to dangerous.
Do you use the reverse dns check?
--
Mit freundlichen Grüssen
Merlin Consulting
Martin
To: Ipswitch IMail Mailing List
Subject: [IMail Forum] Reverse-DNS-Check
Hi,
We do not use the reverse dns check for a spam check. I'm not sure, if the
time is
right to switch it on. In earlier days, this check was to dangerous.
Do you use the reverse dns check?
--
Mit freundlichen
] On Behalf Of John T (Lists)
Sent: Friday, December 16, 2005 19:33
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
It is a good test as part of a weighting system.
However, to take action on one test is not so wise.
John T
eServices For You
-Original Message-
From
.
Bruce Barnes
ChicagoNetTech Inc
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of John T (Lists)
Sent: Friday, December 16, 2005 19:33
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
It is a good test as part of a weigh
done. There are several posts in the archive
about this very issue.
Bruce Barnes
ChicagoNetTech Inc
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of John T (Lists)
Sent: Friday, December 16, 2005 19:33
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] R
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
Then spammer ISP's will setup RDNS for all ip addresses, which most already
do!
Kevin Bilbee
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matrosity Hosting
: Friday, December 16, 2005 21:04
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
Then spammer ISP's will setup RDNS for all ip addresses,
which most already do!
Kevin Bilbee
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL
] On Behalf Of Kevin Bilbee
Sent: Friday, December 16, 2005 21:43
To: IMail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Reverse-DNS-Check
I did not say the spammers would setup RDNS the ISPs will to avoid problems.
Kevin
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED
NO RDNS = REJECTED E-MAIL. Straight to the bit bucket, no
notification, no tears, less spam.
Legitimate e-mail rejected at the envelope does result in
notifications. The bit bucket, if by this you mean deletion after
delivery, is not rejection.
--Sandy
11:03 PMTo:
IMail_Forum@list.ipswitch.comSubject: RE: [IMail Forum] Reverse DNS
Check
We tried to institute it a couple of weeks back. It
appears that the Spammers have learned to setup their DNS correctly. We
got more reverse DNS failures on legitimate mail than we did with spam.
We a
alf Of Dan
BarkerSent: Wednesday, November 09, 2005 7:34 AMTo:
IMail_Forum@list.ipswitch.comSubject: RE: [IMail Forum] Reverse DNS
Check
If
that is the case, hurray! ("the same holds true for SPF").
That's
the purpose of SPF. It was never intended to prevent spam, and can't really,
beca
On Wednesday, November 9, 2005, 10:15:17, Mike Odryna wrote:
...
Correct me if I am wrong but aren't there three types of reverse DNS
checks.
...
2.Check to see if the sending server is listed in the MX record of
the email domain.
There is absolutely no requirement that an e-mail
Are most people doing a reverse DNS check now on
incoming email?
Mike
http://www.islandpc.com
(603)635-8700
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Website
WorldSent: Tuesday, November 08, 2005 10:45 PMTo:
imail_forum@list.ipswitch.comSubject: [IMail Forum] Reverse DNS
Check
Are most people doing a reverse DNS check now on
incoming email
, November 08, 2005 11:02
PM
Subject: RE: [IMail Forum] Reverse DNS
Check
We tried to institute it a couple of weeks back. It
appears that the Spammers have learned to setup their DNS correctly. We
got more reverse DNS failures on legitimate mail than we did with spam.
We are finding
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