Solved

Cannot send email to some domins

Posted on 2006-11-28
10
280 Views
Last Modified: 2008-02-01
Some background...
New Cisco ASA firewall, new trend Micro content filter, new Bellsouth router, new static IP addy, new T1 service Bellsouth.

All email to destinations other than AOL, Road Runner, CompuServe and a local hospital are fine. I was in contact with AOL today neither the new IP nor my domain are listed as blocked. Tried telneting to trouble shoot but when the session is started, I get 202 ****... then HELO and connection is lost, but I get the same response from email servers that I can successfully send email to. Tried disabling outgoing Trend Micro Scanners for kicks but no joy.

Any ideas?
0
Comment
Question by:itsmedtt
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 4
  • 4
10 Comments
 
LVL 39

Expert Comment

by:redseatechnologies
ID: 18033179
Hi itsmedtt,

What mail server do you have?

AOL, RR, and CS are all very touchy about who sends mail to them - if you have the option of using a smarthost, that would be the way to go

-red
0
 

Author Comment

by:itsmedtt
ID: 18033212
oops!
Exchange 2003
0
 

Author Comment

by:itsmedtt
ID: 18033252
would prefer to stay with one DNS solution for all.
0
MS Dynamics Made Instantly Simpler

Make Your Microsoft Dynamics Investment Count  & Drastically Decrease Training Time by Providing Intuitive Step-By-Step WalkThru Tutorials.

 
LVL 39

Expert Comment

by:redseatechnologies
ID: 18033305
That simply may not be an option,

AOL in particular will simply not trust you for mail - depending on who you have for internet access.

If you want to stay away from the simple process of an SMTP Connector, you will need to change ISPs (to someone who has IP blocks that are trusted by AOL (et al))

Have a read of this -> http://www.amset.info/exchange/smtp-connector.asp <- it details this exact problem, and has the solution

-red
0
 

Author Comment

by:itsmedtt
ID: 18033456
Until last week all of these domains where accepting email from us.(Sprint T1 service and IP)

It appears that I meet all of AOL criteria. And the postmaster helpdesk at AOL stated that my IP nor domain was blocked. I may see if I can the the smarthost option to work in the am for short term.

Can you think of any other reasons
0
 
LVL 39

Accepted Solution

by:
redseatechnologies earned 500 total points
ID: 18033531
>>Can you think of any other reasons

Other than the AOL helpdesk not having a clue?  Not really. :)

The thing is, they do not specifically block your IP address, they will block your whole subnet (as deemed by your ISP as dialups or dsl customers or whatever, assuming of course that AOL will even deal with your ISP!)

Drop your domain into http://www.dnsreport.com and see if it comes up with any errors or warnings that need to be fixed - that is the best that you can do

-red
0
 
LVL 23

Expert Comment

by:Stacy Spear
ID: 18036886
AOL does reverse DNS. If your mail servers name and IPs don't match, they bounce you. Go check that DNSREPORT.com ASAP.
0
 

Author Comment

by:itsmedtt
ID: 18053572
Greetings redseatechnologies,

The actual problem was with the scan settings in the Cisco ASA firewall. The response that you gave was correct but not the actual solution so I accepted your answer and gave points but graded B. Is that cool with you?
0
 
LVL 39

Expert Comment

by:redseatechnologies
ID: 18056854
That is fine with me.

Of course, you realise that you could have got your points back, right?

-red
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Learn to move / copy / export exchange contacts to iPhone without using any software. Also see the issues in configuration of exchange with iPhone to migrate contacts.
In-place Upgrading Dirsync to Azure AD Connect
In this video we show how to create a Resource Mailbox in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.: Navigate to the Recipients >> Resources tab.: "Recipients" is our default selection …
The basic steps you have just learned will be implemented in this video. The basic steps are shown to configure an Exchange DAG in a live working Exchange Server Environment and manage the same (Exchange Server 2010 Software is used in a Windows Ser…

726 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question