Outbound Mail Processing Failed with Error: "504 The requested authentication mechanism is not supported" (Doc ID 2751729.1)

Last updated on JUNE 07, 2023

Applies to:

Siebel CRM - Version 15.0 [IP2015] and later
Information in this document applies to any platform.

Communication Outbound Manager tasks are getting errored out and the below errors in Internet SMTP/POP3 email driver log encountered:

None

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In this Document

Symptoms

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