<div>
<div class="content wysiwyg-content">
Looking today at the Exchange message queue while dealing with a mail delivery problem and ran across about 25 entries that look like this: 
 
Identity: FW-DC-1\88254\31761283153941 
Subject: Undeliverable: Dear e759f257 Personal 70% OFF 
Internet Message ID: &lt;7be3e167-10b1-4c83-b9ad-08f1d147ecc6@FW-DC-1.Falcor.local&gt; 
From Address: &lt;&gt; 
Status: Ready 
Size (KB): 16 
Message Source Name: DSN 
Source IP: 255.255.255.255 
SCL: -1 
Date Received: 3/30/2014 1:16:42 AM 
Expiration Time: 4/1/2014 1:16:42 AM 
Last Error: 400 4.4.7 Message delayed 
Queue ID: FW-DC-1\88254 
Recipients: &nbsp;e759f257@airtelbroadband.in;2;2;[{LRT=};{LED=400 4.4.7 Message delayed};{FQDN=};{IP=}];0;CN=Internet,CN=Connections,CN=Exchange Routing Group (DWBGZMFD01QNBJR),CN=Routing Groups,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=Falcor,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=Falcor,DC=local 
 
Running server 2008, Exchange 2013 Enterprise. &nbsp;How do I tell where these are coming from?
</div>
</div>

Looking today at the Exchange message queue while dealing with a mail delivery problem and ran across about 25 entries that look like this:

Identity: FW-DC-1\88254\31761283153941
Subject: Undeliverable: Dear e759f257 Personal 70% OFF
Internet Message ID: <7be3e167-10b1-4c83-b9ad-08f1d147ecc6@FW-DC-1.Falcor.local>
From Address: <>
Status: Ready
Size (KB): 16
Message Source Name: DSN
Source IP: 255.255.255.255
SCL: -1
Date Received: 3/30/2014 1:16:42 AM
Expiration Time: 4/1/2014 1:16:42 AM
Last Error: 400 4.4.7 Message delayed
Queue ID: FW-DC-1\88254
Recipients: e759f257@airtelbroadband.in;2;2;[{LRT=};{LED=400 4.4.7 Message delayed};{FQDN=};{IP=}];0;CN=Internet,CN=Connections,CN=Exchange Routing Group (DWBGZMFD01QNBJR),CN=Routing Groups,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=Falcor,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=Falcor,DC=local

Running server 2008, Exchange 2013 Enterprise. How do I tell where these are coming from?

Is my server sending SPAM?

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.

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.