Most email is flowing back and forth without a problem except for these two. Server returned '400 4.4. The sending server tried to relay or deliver the message, but the action was not completed. My system email Server exchange 2016 send to Office 365 Almost sending emails to office 365 returns an error. I recently updated to RU31 and I’m guessing it can be a bug in this rollup or something went wrong but after several reboots this issue has not cropped up again. If this issue is true for more than (lets say) 10 of your mails then you have problems with DNS resolution, your internal firewall or other.5 answers Top answer: There are many possibilities that are involved with this error. Exchange 2010 Queue 400 4.4.7 Message Delayed to Some Domains Posted by Michael Topper on May 25th, 2012 at 4:24 AM Solved Microsoft Exchange So in Exchange 2010 I notice in our mail queue there are a couple of domains stuck right now. Hello experts, After a week of running Exchange 2010, some mails now are having error error 400 4.4.7 message delayed as shown at the queue viewer. Server returned '400 4.4.7 message delayed' when send to office 365 Dear MS, Currently I am having an error that the user's email returns an error. What this does is go and look at my Exchange Server EX2010A and with a filter go and remove anything from that is in a retry status.Īfter the above was run, Exchange was happy again. Another slim possibility is that the remote domain has DNS zone issues. Check for domains, IPs and any range of addresses that could be associated with the remote domain.
#400 4.4.7 message delayed exchange 2010 software#
The failure was replaced by a retry response because the message was marked for retry if rejected.Īs this is a lab, I used the following script to easily remove them from the queue, here is the script: Get-Message -Server EX2010A -Filter | Remove-Message Check your gateway firewall as well as the Exchange server's software firewall for any rule that could have something to do with the remote SMTP server.
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Last Error: 400 4.4.7 The server responded with: 550 5.6.0 M2MCVT.StorageError storage error in content conversion. Here is the error that was in the queue viewer: Strangely, I am able to send the same emails without issue using my Yahoo account. is send to external domains is not delivered.
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400 4.4.7 The server responded with: 550 Requested. On Exchange 2007 we're dealing with the following problem: some of mail that. Emails addressed to the EV.Cloud journaling email address queue up on Exchange with this specific error.
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All of them were for accepted and declined meeting invites and nothing else and all of them for journaling only. I am getting this message '400 4.4.7 Message Delayed' when sending emails to at least 2 recipients (one my children's public school, the other a local title company) and the emails never go through. Either email addresses are anonymous for this group or you need the view member email addresses permission to view the original message. In my Exchange 2010 lab, I came across a handful of messages in the submission queue.