This table contains the names and descriptions of the Messaging probes that you can define. For information about configuring the Messaging probes, see the topic Creating Messaging probes.

Messaging probe name	Description
Messaging -- SMTP TCP Port Health	Verifies that SMTP services are successfully processing protocol requests.
Messaging -- Message retrieval TCP Port Health	Verifies that the IMAP and POP3 services are successfully processing protocol requests.
Messaging -- Route Process State	Monitors the status of the router.
Messaging -- SMTP Process State	Monitors the status of the SMTP process.
Messaging -- Message retrieval process state	Verifies the health of the IMAP and POP3 tasks that are configured to run on the specified servers.
Messaging -- NRPC Routing Status	Using NRPC, the probe sends a message to verify that mail routing is working.
Messaging -- Transfer Queue Check	Monitors mail flow to individual destinations.
Messaging -- Mail Flow Statistic check	Monitors the amount of mail on a Domino server and checks whether the number of mail messages in the MAIL.BOX file exceeds the number of mail messages that the router can process.
Messaging -- Mail Reflector	Tests mail routing to IBM® Lotus® Domino™ and non-Domino mail systems.
Messaging -- Mail DSN	Uses the Delivery Status Notification (DSN) method to test the mail flow to an SMTP mail system. The destination domain must support the .dsn extension.

See also

Maintaining DDM Probes
Deleting a DDM Probe document
DDM probes
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Glossary