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regsamp
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E-mails sent to AOL are stuck in the queue

We have an Exchange 2003 server and our e-mail flow in and out is fine except for any e-mail sent to AOL.  Our queue is has dozens of e-mails that say the connection was dropped by the remote host.  We have request a Whitelist addition with AOL but have not heard anything.  Is there anything else we can do?
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regsamp

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Alan Hardisty

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regsamp

ASKER
We do have reverse dns.  I will look at the article.
Kash

also worth checking is whether your domain/IP is on RBLs somewhere.

www.mxtoolbox.com
Alan Hardisty

If you have Reverse DNS setup - does the FQDN correctly resolve back to the IP Address you are sending from?
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rwheeler23
regsamp

ASKER
It does alan and checking that link now. We had a spam attack on Monday so we are finding hits of us on some of blacklists.  It does not show how to take ourselves off the ones that come up.
Alan Hardisty

Which ones are coming up as listing you?

Some you can de-register from - others you will have to wait for them to de-list you after a period of time.

For now - you can setup a scoped SMTP Connector for the AOL domain and you can configure that SMTP Connector to send mail to your ISP as a Smarthost.

http://www.msexchange.org/tutorials/configuring-smtp-connector.html

Once you drop off the Blacklists, you can delete the SMTP Connector and hopefully AOL will be happier with you by then.
regsamp

ASKER
Posted a list.  I will look into a scoped smtp connector.
DNSgoodies-check-spam.doc
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Alan Hardisty

Not heard of most of those Blacklists before!

Have you tried www.blacklistalert.org ?
regsamp

ASKER
I did and the only one listed is spam.dnsbl.anonmails.de
Alan Hardisty

Not one I would expect AOL to be using, but you never know.

What is your score on www.senderbase.org?
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regsamp

ASKER
Comes across as Neutral.
Alan Hardisty

Good.  I'd try the scoped SMTP Connector for now via your ISP and then wait for a while.

You may need to ask them to allow your emails through - but I would wait a while before requesting that if after 30 days and you removing the SMTP Connector, your mails to AOL still fail.
regsamp

ASKER
Okay.  Thank you for your help.
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Alan Hardisty

You are welcome.  Hopefully your emails will start flowing again shortly.
regsamp

ASKER
I hope so too.