SMTP Timeout Errors Sending to a Large Mailing List / Group
(Doc ID 1334609.1)
Last updated on MARCH 12, 2021
Oracle Communications Messaging Server - Version 5.2.0 and later
Information in this document applies to any platform.
- Intermediate mail filtering appliance reports a timeout error and rejects mail to a list with approximately 1500 members.
- In environments without such an intermediate device, users might see a very long delay when sending to the mailing list, depending on deployment design.
- Or a message might sit on an intermediate MTA for a long time while it tries to relay the message to the MTA which ends up expanding it.
The mailing list grows incrementally over time.
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