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Seems the problem with the mail receiving domain, also make sure that recipients is correct.<br />
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Check this SMTP diagnostics wepage to Diagnose the issue- &nbsp;<a href="http://exchange.sembee.info/network/smtp-diag.asp" rel="ugc">http://exchange.sembee.info/network/smtp-diag.asp</a>
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Is it occurring to every domain you send to or a specif domain?<br />

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Hi I hope someone can assist me with this its much appreciated as always. &nbsp;My users including myself are getting mail delivery delays &nbsp;, I use Exchange 2010.<br />
<br />
Users are receiving the following delayed response ...<br />
<br />
&nbsp;<br />
Delivery is delayed to these recipients or groups:<br />
&nbsp;<br />
XXXX@XXXX.com (XXXXX@XXXXX.com)<br />
&nbsp;<br />
Subject: you asked me to send you the email from my work <br />
&nbsp;<br />
This message hasn't been delivered yet. Delivery will continue to be attempted.<br />
&nbsp;<br />
The server will keep trying to deliver this message for the next 1 days, 19 hours and 50 minutes. You'll be notified if the message can't be delivered by that time.<br />
&nbsp;<br />

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Hi I hope someone can assist me with this its much appreciated as always.  My users including myself are getting mail delivery delays  , I use Exchange 2010.

Users are receiving the following delayed response ...

 
Delivery is delayed to these recipients or groups:
 
XXXX@XXXX.com (XXXXX@XXXXX.com)
 
Subject: you asked me to send you the email from my work 
 
This message hasn't been delivered yet. Delivery will continue to be attempted.
 
The server will keep trying to deliver this message for the next 1 days, 19 hours and 50 minutes. You'll be notified if the message can't be delivered by that time.
 


Emails are getting delayed

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.