exchange 2007 error 451 4.4 0 Downs Kansas

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exchange 2007 error 451 4.4 0 Downs, Kansas

Type . Error Code: 10060, Error Message: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed Thanks in advance, Charles Bretana  Saturday, February 10, 2007 6:29 PM Reply | Quote 0 Sign in to vote Charles did you ever resolve this problem as I am having the Home exchange 2007 451 4.4.0 Primary target IP address responded with: "421 4.2.1 Una by 1_IT_Professional on Aug 22, 2013 at 1:20 UTC | Microsoft Exchange 0Spice Down Next: Outlook 2016

Solution: We decided to create new send connector for testing with just one special test domain ( and a cost with a value as high as the other connector ( =1 Type mail from: [email protected] and enter. Gee, another non-sensical problem with another non-intuitive solution. For the network firewall, check your documentation and troubleshoot it.

Job security!! Reply T. If you are using a smart host, this is the public IP of the smart host and if you're not using a smart host then this is the public IP of I have to know why in order to completely rest easy. :-/ Reply Arno says June 5, 2015 at 12:31 am Paul thank for this solution.

Keep up the great work! Troubleshooting steps: We reviewed the smarthost server and logs but we didn't find any errors. Thanks Srini Reply Mike T. Gary Reply Mekkano says August 12, 2015 at 7:56 am I was experiencing the exact same symptoms.

It's possible that the recipient mail server may not allow a connection if your IP is found on a blacklist. I wished I had half of your knowledge! windows server 2008 Thursday, August 12, 2010 8:18 PM Reply | Quote 0 Sign in to vote I have the same problem but with only certain domains. Paul, your post saved the day!

THANKS! Join & Ask a Question Need Help in Real-Time? For the Windows firewall, open up the firewall from the control panel and check which profile is active. Check that the IP of your Exchange server is allowed to relay email through your smart host.

Try flushing your DNS cache and see what happens then. I think another potential issue could be with having Symantec Gtway Sec or Cisco PIX, but we don't have either, where header configuration on those devices needs modified. Strangely, my Exchange 2007 Edge transport also has this enabled with a GUID of zeros, but that works and 2013 doesn't. The original one was still there.

We added the exception and all is well again. MenuExperts Exchange Browse BackBrowse Topics Open Questions Open Projects Solutions Members Articles Videos Courses Contribute Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Ask a Question Ask Thursday, March 31, 2011 3:05 PM Reply | Quote 0 Sign in to vote I am having this problem on 3 seperate SBS boxes. Thanks again.

Allowing traffic on 25 resolved my issue.Shawn May Tuesday, March 20, 2012 4:30 PM Reply | Quote 0 Sign in to vote We had a firewallcut overlast night to a new I told them it was having issues so they resent the e-mail. Reply TS says June 6, 2015 at 9:49 am Just to add to this. We show this process by using the Exchange Admin Center.

Either there are no aternate hosts or delivery failed to the all alternate host. Enabling "Use the External DNS Lookup settings on the transport server" worked perfectly! Want to Advertise Here? Friday, May 27, 2011 7:23 AM Reply | Quote 0 Sign in to vote Solved I have the same issue.

I dont know what next to do...please help me urgently.Monwuba Michael M.C.I.T.P. Im wondering if this solves this problem permantly.Can you let me know if the issue returned at your side?ReplyDeleteRepliesDariusz KaczorMay 11, 2013 at 11:38 AMsorry for late reply the issue returned Applied this fix and out the email went after restarting the transport service. The error was: SMTPSEN... 451 4.4.0 Primary target ip address responded with...

Same Solution! Simon. 0 Message Author Comment by:huntersp32007-06-14 Hello Sembee: I called our customer and he says he has been getting emails from other people. Reply Cory says February 6, 2016 at 7:22 am Thank you for this… We just started experiencing this with accounts that we migrated from our on-premise Exchange 2010/Server 2008 environment to says March 23, 2016 at 12:02 pm Same Problem! Although if message labs see that configuration they will get told off, as they haven't their own server in the MX records, which you shouldn't do. Join Now For immediate help use Live now! By creating an account, you're agreeing to our Terms of Use, Privacy Policy and to receive emails from Spiceworks. I have enabled smtp sent protocol log but where can i find the log?

If you find your IP or domain on any blacklists, you will need to unlist your IP. What your customer didn't tell you is that they are a message labs customer. i viewed the log and this is what it shows #Software: Microsoft Exchange Server #Version: #Log-type: SMTP Send Protocol Log #Date: 2010-08-12T19:46:18.599Z #Fields: date-time,connector-id,session-id,sequence-number,local-endpoint,remote-endpoint,event,data,context 2010-08-12T19:46:18.599Z,Windows SBS Internet Send MACDAODUSSVR,08CD086E28FD00E5,0,,,*,,attempting I can send from test mailboxes on 2016 to 2010 mailboxes, but not vice versa, and this is the exact error I'm getting in the queues.

Reply Bryan m says June 9, 2016 at 3:22 am What should the check box be for TLS I have a 2010 dag Reply Leave a Reply Cancel reply Your email DNS was fine on all counts.