Siebel Outbound Emails via SMTP Are Not Going Out To External Email Accounts - ERROR:SMTP server unavailable: 503 #5.3.3 AUTH not available
(Doc ID 2429961.1)
Last updated on MAY 24, 2021
Applies to:Siebel CRM - Version 16.10 [IP2016] and later
Information in this document applies to any platform.
Siebel outbound emails are not getting delivered to external email accounts but are going fine to internal domain email accounts. This has been happening from F9 functionality as well as other Quote and Order processes. This issue is first observed in Production and happening across in the lower UAT/SIT environment as well.
Siebel F9 outbound emails are not getting delivered to external email accounts
changes to Exchange Server rules and adding the authentication for SMTP
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