| Author | Messages | |
jasalandra@xxxx.yyy
 | | 04/29/2006 9:03 AM |
| Thanks these are great.
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Michael B.
Smith
Sent: Saturday, April 29, 2006 9:52 AM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
Actually, it's probably 512 bytes to 1024 bytes.
Take a look at edns0, assuming you are running Windows Server 2003.
http://support.microsoft.com/kb/832223/en-us
And
http://support.microsoft.com/kb/828263/en-us
And
http://support.microsoft.com/kb/828731/en-us
(I've asked for these three KBs to be consolidated. Since they aren't
Exchange related, my request is probably very low on the list.)
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Salandra,
Justin A.
Sent: Saturday, April 29, 2006 12:33 AM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
You are not going to believe this, but the fix to this was to increase
the DNS packet size on my pix firewall from 512 K to 1024 K. Once I did
that all traffic started to go through for AOL and Yahoo.
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Salandra,
Justin A.
Sent: Saturday, April 29, 2006 12:02 AM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
Thanks it was 4.4.7. If the problem is with AOL and Yahoo then there is
nothing that I can do right?
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Susan Bradley,
CPA aka Ebitz - SBS Rocks [MVP]
Sent: Friday, April 28, 2006 11:39 PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: Re: [ActiveDir] FW: Sending mail to AOL and Yahoo
Google Groups: microsoft.public.exchange2000.win2000:
http://groups.google.com/group/microsoft.public.exchange2000.win2000/tre
e/browse_frm/thread/1ee55b2b2fc6934d/ab6d72896b91151f?rnum=1&hl=en&q=Exc
hange+delay+4.7.7&_done=%2Fgroup%2Fmicrosoft.public.exchange2000.win2000
%2Fbrowse_frm%2Fthread%2F1ee55b2b2fc6934d%2Fa964274f0614cbe8%3Flnk%3Dst%
26q%3DExchange+delay+4.7.7%26rnum%3D1%26hl%3Den%26#doc_a964274f0614cbe8 4.7.7 or 4.4.7?
https://streif.us/shawn/techie/Explanations%20for%20HTTP%20Server%20Stat
us%20Messages.htm
Salandra, Justin A. wrote:
>Also I am getting on the delay notifications a Status of 4.7.7
> >-----Original Message-----
>From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
>[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Brian Desmond
>Sent: Friday, April 28, 2006 10:41 PM
>To: ActiveDir@xxxxxxxxxxxxxxxxxx
>Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
> >What kind of aggregate mail volume are you doing? I've seen some weird
>throughput bugs in Scanmail in high volume environments.
> >Thanks,
>Brian Desmond
>brian@xxxxxxxxxxxxxxxx
> >c - 312.731.3132
> > > > > >>-----Original Message-----
>>From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx [mailto:ActiveDir-
>>owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Salandra, Justin A.
>>Sent: Friday, April 28, 2006 10:37 PM
>>To: ActiveDir@xxxxxxxxxxxxxxxxxx
>>Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
>> >>I have Trend Micro Scan Mail and it is configured the same way it has
>>always been for the past 2 years and only yesterday this started.
>> >>-----Original Message-----
>>From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
>>[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Frederic
>>Woodbridge, III
>>Sent: Friday, April 28, 2006 5:25 PM
>>To: ActiveDir@xxxxxxxxxxxxxxxxxx
>>Subject: Re: [ActiveDir] FW: Sending mail to AOL and Yahoo
>> >>Do you have any sort of anti-virus scanning your outbound email--
>>specifically Norton 10--on your server? This could be causing
>> >> >problems
> > >>with sending emails. The same thing happened to us some time ago and
>>that was the issue.
>> >>On 4/28/06, Salandra, Justin A. wrote:
>>[edit]
>> >> >>>Is any one else having difficulty in sending mail to AOL and YAHOO.
>>> >>> >>> >>>DNS is resolving the MX records for these domains, we can receive
>>> >>> >>mail
>>from
>> >> >>>these domains, but when we send mail it is just sitting in the queue
>>> >>> >>in the
>> >> >>>server saying that the remote server did not respond to the
>>> >>> >>connection
>> >> >>>attempt.
>>> >>> >>FW
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| jasalandra@xxxx.yyy
 | | 04/29/2006 9:06 AM |
| That was it
From:
ActiveDir-owner@xxxxxxxxxxxxxxxxxx [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Michael B. Smith
Sent: Saturday, April 29, 2006
9:58 AM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW:
Sending mail to AOL and Yahoo
Ah yes, now that I see the original
message - I bet a quarter it is the edns0 issue with a PIX firewall running a
relatively old version of PIX/os.
From:
ActiveDir-owner@xxxxxxxxxxxxxxxxxx [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Salandra, Justin A.
Sent: Friday, April 28, 2006 4:37
PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: [ActiveDir] FW: Sending
mail to AOL and Yahoo
Justin A. Salandra
MCSE Windows 2000 & 2003
Network and Technology Services Manager
Catholic Healthcare System
646.505.3681 - office
917.455.0110 - cell
jasalandra@xxxxxxxxxxx
From: Salandra, Justin
A.
Sent: Friday, April 28, 2006 4:16
PM
To: exchange2000@xxxxxxxxxxxxxxx
Subject: Sending mail to AOL and
Yahoo
Is any one else having difficulty in sending mail to AOL and
YAHOO.
DNS is resolving the MX records for these domains, we can
receive mail from these domains, but when we send mail it is just sitting in
the queue in the server saying that the remote server did not respond to the
connection attempt.
All other mail flow is working correctly.
I have restarted the SMTP service twice and have turned on
logging and nothing is showing. Just the same message in the event logs
once logging was turned on, remote server did not respond to the connection
attempt.
Any ideas
Exchange 2003, Windows 2003 no service packs.
Justin A. Salandra
MCSE Windows 2000 & 2003
Network and Technology Services Manager
Catholic Healthcare System
646.505.3681 - office
917.455.0110 - cell
jasalandra@xxxxxxxxxxx | | | |
| AD00000877
Posts:0
 | | 04/29/2006 9:17 AM |
| Justin,
Well, maybe. I've had the edns0 problem in the past
with a couple of clients. But, more likely, it's one
of the recent problems I've had with clients of mine
sending to AOL:
1) As of a couple of months ago, AOL no longer accepts
mail from servers that do not have PTR records
defined.
2) AOL has its own internal scanning mechanisms to try
to identify and block domains and/or subnets
attempting to spew spam to AOL subscribers. Even
though a particular domain/subnet may not appear on
any RBL lists, AOL could still be blocking it.
To determine which it is, telnet to port 25 on one of
the AOL SMTP servers and try to manually send a
message to a valid AOL address. Make sure you do this
from the actual Exchange server on which the AOL
queues are filling up. The error message you will
receive from the AOL server will include a link to a
website that will explain the reason why AOL will not
accept a connection from you.
In my most recent case, my client switched ISP's and,
by chance, received a set of IP addresses that had
been blocked by AOL for a long time. AOL tech support
was TOTALLY unresponsive and it took me about 6 weeks
and many, many phone calls to AOL to finally get the
subnet removed from their blocking lists. Be prepared
for a lot of pain dealing with AOL on this.
As soon as you determine the problem, please let us
know so I can bill Michael for $0.25. :-)
Steve
--- "Michael B. Smith" wrote:
> Ah yes, now that I see the original message - I bet
> a quarter it is the
> edns0 issue with a PIX firewall running a relatively
> old version of
> PIX/os.
> > ________________________________
> > From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
> [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On
> Behalf Of Salandra,
> Justin A.
> Sent: Friday, April 28, 2006 4:37 PM
> To: ActiveDir@xxxxxxxxxxxxxxxxxx
> Subject: [ActiveDir] FW: Sending mail to AOL and
> Yahoo
> > > > > > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > ________________________________
> > From: Salandra, Justin A.
> Sent: Friday, April 28, 2006 4:16 PM
> To: exchange2000@xxxxxxxxxxxxxxx
> Subject: Sending mail to AOL and Yahoo
> > > > Is any one else having difficulty in sending mail to
> AOL and YAHOO.
> > > > DNS is resolving the MX records for these domains,
> we can receive mail
> from these domains, but when we send mail it is just
> sitting in the
> queue in the server saying that the remote server
> did not respond to the
> connection attempt.
> > > > All other mail flow is working correctly.
> > > > I have restarted the SMTP service twice and have
> turned on logging and
> nothing is showing. Just the same message in the
> event logs once
> logging was turned on, remote server did not respond
> to the connection
> attempt.
> > > > Any ideas
> > > > Exchange 2003, Windows 2003 no service packs.
> > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > __________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ | | | |
| michael2
Posts:0
 | | 04/29/2006 10:15 AM |
| Where do I bill you Steve? :-)
A key indicator is whether the connection attempt fails or not. Edns0 is
typically indicated when the remote server doesn't respond (according to
Exchange). Reverse DNS is typically indicated with a successful
connection and a 4xx error. The internal scanning mechanisms are
typically indicated when the e-mail immediately bounces with a 5xx
error.
In regards to AOL, as soon as you get a block of IP addresses, signing
up to be notified by AOL as to "bad" behavior in that block is a really
good idea (they call this their "Feedback Loop" and they are much more
responsive to organizations who are whitelisted and in the feedback
loop). See http://postmaster.aol.com.
One of my techs or myself has to deal with them almost daily on some
level with the 1,000+ e-mail domains we host on a variety of platforms.
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Steve Johnston
Sent: Saturday, April 29, 2006 5:17 PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
Justin,
Well, maybe. I've had the edns0 problem in the past
with a couple of clients. But, more likely, it's one
of the recent problems I've had with clients of mine
sending to AOL:
1) As of a couple of months ago, AOL no longer accepts
mail from servers that do not have PTR records
defined.
2) AOL has its own internal scanning mechanisms to try
to identify and block domains and/or subnets
attempting to spew spam to AOL subscribers. Even
though a particular domain/subnet may not appear on
any RBL lists, AOL could still be blocking it.
To determine which it is, telnet to port 25 on one of
the AOL SMTP servers and try to manually send a
message to a valid AOL address. Make sure you do this
from the actual Exchange server on which the AOL
queues are filling up. The error message you will
receive from the AOL server will include a link to a
website that will explain the reason why AOL will not
accept a connection from you.
In my most recent case, my client switched ISP's and,
by chance, received a set of IP addresses that had
been blocked by AOL for a long time. AOL tech support
was TOTALLY unresponsive and it took me about 6 weeks
and many, many phone calls to AOL to finally get the
subnet removed from their blocking lists. Be prepared
for a lot of pain dealing with AOL on this.
As soon as you determine the problem, please let us
know so I can bill Michael for $0.25. :-)
Steve
--- "Michael B. Smith" wrote:
> Ah yes, now that I see the original message - I bet
> a quarter it is the
> edns0 issue with a PIX firewall running a relatively
> old version of
> PIX/os.
> > ________________________________
> > From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
> [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On
> Behalf Of Salandra,
> Justin A.
> Sent: Friday, April 28, 2006 4:37 PM
> To: ActiveDir@xxxxxxxxxxxxxxxxxx
> Subject: [ActiveDir] FW: Sending mail to AOL and
> Yahoo
> > > > > > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > ________________________________
> > From: Salandra, Justin A.
> Sent: Friday, April 28, 2006 4:16 PM
> To: exchange2000@xxxxxxxxxxxxxxx
> Subject: Sending mail to AOL and Yahoo
> > > > Is any one else having difficulty in sending mail to
> AOL and YAHOO.
> > > > DNS is resolving the MX records for these domains,
> we can receive mail
> from these domains, but when we send mail it is just
> sitting in the
> queue in the server saying that the remote server
> did not respond to the
> connection attempt.
> > > > All other mail flow is working correctly.
> > > > I have restarted the SMTP service twice and have
> turned on logging and
> nothing is showing. Just the same message in the
> event logs once
> logging was turned on, remote server did not respond
> to the connection
> attempt.
> > > > Any ideas
> > > > Exchange 2003, Windows 2003 no service packs.
> > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > __________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive:
http://www.mail-archive.com/activedir%40mail.activedir.org/
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ | | | |
| AD00000877
Posts:0
 | | 04/29/2006 10:29 AM |
| Yep, it's so much fun dealing with AOL. How 'bout I
buy you a $0.25 beer at MEC. Oh wait, that doesn't
exist anymore. ;-)
--- "Michael B. Smith" wrote:
> Where do I bill you Steve? :-)
> > A key indicator is whether the connection attempt
> fails or not. Edns0 is
> typically indicated when the remote server doesn't
> respond (according to
> Exchange). Reverse DNS is typically indicated with a
> successful
> connection and a 4xx error. The internal scanning
> mechanisms are
> typically indicated when the e-mail immediately
> bounces with a 5xx
> error.
> > In regards to AOL, as soon as you get a block of IP
> addresses, signing
> up to be notified by AOL as to "bad" behavior in
> that block is a really
> good idea (they call this their "Feedback Loop" and
> they are much more
> responsive to organizations who are whitelisted and
> in the feedback
> loop). See http://postmaster.aol.com.
> > One of my techs or myself has to deal with them
> almost daily on some
> level with the 1,000+ e-mail domains we host on a
> variety of platforms.
> > -----Original Message-----
> From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
> [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On
> Behalf Of Steve Johnston
> Sent: Saturday, April 29, 2006 5:17 PM
> To: ActiveDir@xxxxxxxxxxxxxxxxxx
> Subject: RE: [ActiveDir] FW: Sending mail to AOL and
> Yahoo
> > Justin,
> > Well, maybe. I've had the edns0 problem in the past
> with a couple of clients. But, more likely, it's
> one
> of the recent problems I've had with clients of mine
> sending to AOL:
> > 1) As of a couple of months ago, AOL no longer
> accepts
> mail from servers that do not have PTR records
> defined.
> > 2) AOL has its own internal scanning mechanisms to
> try
> to identify and block domains and/or subnets
> attempting to spew spam to AOL subscribers. Even
> though a particular domain/subnet may not appear on
> any RBL lists, AOL could still be blocking it.
> > To determine which it is, telnet to port 25 on one
> of
> the AOL SMTP servers and try to manually send a
> message to a valid AOL address. Make sure you do
> this
> from the actual Exchange server on which the AOL
> queues are filling up. The error message you will
> receive from the AOL server will include a link to a
> website that will explain the reason why AOL will
> not
> accept a connection from you.
> > In my most recent case, my client switched ISP's
> and,
> by chance, received a set of IP addresses that had
> been blocked by AOL for a long time. AOL tech
> support
> was TOTALLY unresponsive and it took me about 6
> weeks
> and many, many phone calls to AOL to finally get the
> subnet removed from their blocking lists. Be
> prepared
> for a lot of pain dealing with AOL on this.
> > As soon as you determine the problem, please let us
> know so I can bill Michael for $0.25. :-)
> > Steve
> > --- "Michael B. Smith" wrote:
> > > Ah yes, now that I see the original message - I
> bet
> > a quarter it is the
> > edns0 issue with a PIX firewall running a
> relatively
> > old version of
> > PIX/os.
> > > > ________________________________
> > > > From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
> > [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On
> > Behalf Of Salandra,
> > Justin A.
> > Sent: Friday, April 28, 2006 4:37 PM
> > To: ActiveDir@xxxxxxxxxxxxxxxxxx
> > Subject: [ActiveDir] FW: Sending mail to AOL and
> > Yahoo
> > > > > > > > > > > > > > > > Justin A. Salandra
> > > > MCSE Windows 2000 & 2003
> > > > Network and Technology Services Manager
> > > > Catholic Healthcare System
> > > > 646.505.3681 - office
> > > > 917.455.0110 - cell
> > > > jasalandra@xxxxxxxxxxx
> > > > > > > > > > ________________________________
> > > > From: Salandra, Justin A.
> > Sent: Friday, April 28, 2006 4:16 PM
> > To: exchange2000@xxxxxxxxxxxxxxx
> > Subject: Sending mail to AOL and Yahoo
> > > > > > > > Is any one else having difficulty in sending mail
> to
> > AOL and YAHOO.
> > > > > > > > DNS is resolving the MX records for these domains,
> > we can receive mail
> > from these domains, but when we send mail it is
> just
> > sitting in the
> > queue in the server saying that the remote server
> > did not respond to the
> > connection attempt.
> > > > > > > > All other mail flow is working correctly.
> > > > > > > > I have restarted the SMTP service twice and have
> > turned on logging and
> > nothing is showing. Just the same message in the
> > event logs once
> > logging was turned on, remote server did not
> respond
> > to the connection
> > attempt.
> > > > > > > > Any ideas
> > > > > > > > Exchange 2003, Windows 2003 no service packs.
> > > > > > > > Justin A. Salandra
> > > > MCSE Windows 2000 & 2003
> > > > Network and Technology Services Manager
> > > > Catholic Healthcare System
> > > > 646.505.3681 - office
> > > > 917.455.0110 - cell
> > > > jasalandra@xxxxxxxxxxx
> > > > > > > > > > > > > __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam
> protection around
> http://mail.yahoo.com
> List info : http://www.activedir.org/List.aspx
> List FAQ : http://www.activedir.org/ListFAQ.aspx
> List archive:
> http://www.mail-archive.com/activedir%40mail.activedir.org/
> List info : http://www.activedir.org/List.aspx
> List FAQ : http://www.activedir.org/ListFAQ.aspx
> List archive:
> http://www.mail-archive.com/activedir%40mail.activedir.org/
> __________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ | | | |
| nshariff
Posts:0
 | | 05/01/2006 1:05 AM |
| Don't know how if this has been answered by the forum but I'd like to
add my 2 cents.
AOL is blocking port 25. Instead, they are using port 587 which is the
default port for authenticated e-mail.
http://postmaster.aol.com/faq/port25faq.html
To be added to their White list, you will need to fill out the 'White
list' request form.
http://postmaster.aol.com/tools/whitelist_guides.html
-Shariff
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Frederic
Woodbridge, III
Sent: Friday, April 28, 2006 5:25 PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: Re: [ActiveDir] FW: Sending mail to AOL and Yahoo
Do you have any sort of anti-virus scanning your outbound
email--specifically Norton 10--on your server? This could be causing
problems with sending emails. The same thing happened to us some time
ago and that was the issue.
On 4/28/06, Salandra, Justin A. wrote:
[edit]
> > > Is any one else having difficulty in sending mail to AOL and YAHOO.
> > > > DNS is resolving the MX records for these domains, we can receive mail
> from these domains, but when we send mail it is just sitting in the
> queue in the server saying that the remote server did not respond to
> the connection attempt.
FW
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive:
http://www.mail-archive.com/activedir%40mail.activedir.org/
List info : http://www.activedir.org/List.aspx
List FAQ : http://www.activedir.org/ListFAQ.aspx
List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ | | | |
| jasalandra@xxxx.yyy
 | | 05/01/2006 1:10 AM |
| Increasing the packet size worked.
I already had PTR record on my DNS
Justin A. Salandra
MCSE Windows 2000 & 2003
Network and Technology Services Manager
Catholic Healthcare System
646.505.3681 - office
917.455.0110 - cell
jasalandra@xxxxxxxxxxx
-----Original Message-----
From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
[mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On Behalf Of Steve Johnston
Sent: Saturday, April 29, 2006 5:17 PM
To: ActiveDir@xxxxxxxxxxxxxxxxxx
Subject: RE: [ActiveDir] FW: Sending mail to AOL and Yahoo
Justin,
Well, maybe. I've had the edns0 problem in the past
with a couple of clients. But, more likely, it's one
of the recent problems I've had with clients of mine
sending to AOL:
1) As of a couple of months ago, AOL no longer accepts
mail from servers that do not have PTR records
defined.
2) AOL has its own internal scanning mechanisms to try
to identify and block domains and/or subnets
attempting to spew spam to AOL subscribers. Even
though a particular domain/subnet may not appear on
any RBL lists, AOL could still be blocking it.
To determine which it is, telnet to port 25 on one of
the AOL SMTP servers and try to manually send a
message to a valid AOL address. Make sure you do this
from the actual Exchange server on which the AOL
queues are filling up. The error message you will
receive from the AOL server will include a link to a
website that will explain the reason why AOL will not
accept a connection from you.
In my most recent case, my client switched ISP's and,
by chance, received a set of IP addresses that had
been blocked by AOL for a long time. AOL tech support
was TOTALLY unresponsive and it took me about 6 weeks
and many, many phone calls to AOL to finally get the
subnet removed from their blocking lists. Be prepared
for a lot of pain dealing with AOL on this.
As soon as you determine the problem, please let us
know so I can bill Michael for $0.25. :-)
Steve
--- "Michael B. Smith" wrote:
> Ah yes, now that I see the original message - I bet
> a quarter it is the
> edns0 issue with a PIX firewall running a relatively
> old version of
> PIX/os.
> > ________________________________
> > From: ActiveDir-owner@xxxxxxxxxxxxxxxxxx
> [mailto:ActiveDir-owner@xxxxxxxxxxxxxxxxxx] On
> Behalf Of Salandra,
> Justin A.
> Sent: Friday, April 28, 2006 4:37 PM
> To: ActiveDir@xxxxxxxxxxxxxxxxxx
> Subject: [ActiveDir] FW: Sending mail to AOL and
> Yahoo
> > > > > > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > ________________________________
> > From: Salandra, Justin A.
> Sent: Friday, April 28, 2006 4:16 PM
> To: exchange2000@xxxxxxxxxxxxxxx
> Subject: Sending mail to AOL and Yahoo
> > > > Is any one else having difficulty in sending mail to
> AOL and YAHOO.
> > > > DNS is resolving the MX records for these domains,
> we can receive mail
> from these domains, but when we send mail it is just
> sitting in the
> queue in the server saying that the remote server
> did not respond to the
> connection attempt.
> > > > All other mail flow is working correctly.
> > > > I have restarted the SMTP service twice and have
> turned on logging and
> nothing is showing. Just the same message in the
> event logs once
> logging was turned on, remote server did not respond
> to the connection
> attempt.
> > > > Any ideas
> > > > Exchange 2003, Windows 2003 no service packs.
> > > > Justin A. Salandra
> > MCSE Windows 2000 & 2003
> > Network and Technology Services Manager
> > Catholic Healthcare System
> > 646.505.3681 - office
> > 917.455.0110 - cell
> > jasalandra@xxxxxxxxxxx
> > > > > __________________________________________________
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