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yes i an ndr and according to microsoft #4.4.7, which state this is the recievers server problem. &nbsp;however we can send e-mails from outside to the receipient. &nbsp;
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yes i an ndr and according to microsoft #4.4.7, which state this is the recievers server problem.  however we can send e-mails from outside to the receipient.  

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Wonderful and all the best, hope to assist you in the future if possible.<br />
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Thanks for the points BTW
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Wonderful and all the best, hope to assist you in the future if possible.

Thanks for the points BTW

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i am having problems with mail being delayed to certain mail addresses. &nbsp;this has been happening at random and i have not been able to trace the problem. &nbsp;any suggestion on what i can do to locate this error.
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i am having problems with mail being delayed to certain mail addresses.  this has been happening at random and i have not been able to trace the problem.  any suggestion on what i can do to locate this error.

undeliverable message

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

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.