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Channel Stops Dequeuing Messages Due To SMTP_POOL And Job_limit Limitations (Doc ID 2631098.1)

Last updated on APRIL 20, 2020

Applies to:

Oracle Communications Messaging Server - Version 8.0.2 and later
Information in this document applies to any platform.


A defined channel stops dequeuing messages.

The following channel is defined for outbound mail to domains that require a TLS connection:

The problem occurs occasionally and is not reproducible on demand.

Evidence of the queues building up was observed by performing "imsimta_qm_sum":

                        Channel  Messages  Size (Mb)
--------------------------------  --------  ---------
                      tcp_local       519       44.3
               tcp_local_no_tls         0        0.0
                    tcp_out_tls     43345     5821.4
--------------------------------  --------  ---------
                         Totals     43864     5865.7


The following changes were performed prior to the issue occurring:

1. More domains were added to the list of domains that require TLS.
2. Messaging Server was upgraded to version



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