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Thanks for the great write up Will! &nbsp;Because this is only happening with one client, I'd like to check a few things first, before getting heavily into DNS troubleshooting, domain reputation, etc.<br />
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It's my understanding that message tracking happens via log files rather than a GUI like was in the case with Exchange 2007?
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Thanks for the great write up Will!  Because this is only happening with one client, I'd like to check a few things first, before getting heavily into DNS troubleshooting, domain reputation, etc.

It's my understanding that message tracking happens via log files rather than a GUI like was in the case with Exchange 2007?

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Will, I resolved the issue, still awarding you points because the methods listed will be useful for similar incidents.
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Will, I resolved the issue, still awarding you points because the methods listed will be useful for similar incidents.

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Basically we have a recipient claiming that they cannot receive email from us, though I can get email from them just fine. &nbsp;What's the best place to check on my exchange 2013 server to ensure that the email is in fact leaving our mail server (thereby helping to conclude that something is happening on their end or in transit)? &nbsp;Thanks.
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Basically we have a recipient claiming that they cannot receive email from us, though I can get email from them just fine.  What's the best place to check on my exchange 2013 server to ensure that the email is in fact leaving our mail server (thereby helping to conclude that something is happening on their end or in transit)?  Thanks.

Need to check exchange 2013 logs to see if an email went to a particular domain.

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

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

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one).  The correct protocol must be selected, and correctly configured, if you want your email account to work.