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Siebel 2018, using F9 email via TLS , getting errors: SMTP server unavailable: 535 Authentication Credentials Invalid (Doc ID 2419787.1)

Last updated on FEBRUARY 03, 2021

Applies to:

Siebel Call Center - Version 18.5 and later
Information in this document applies to any platform.
Siebel F9 is not sending messages due "SMTP server unavailable: 535 Authentication Credentials Invalid" , but when I use script and sent message out of Siebel the email was sent with success.


 Customer used a  script out of Siebel just to confirm that Siebel was ok to communicate with SMTP server -it worked OK, but F9 email failed with below errors,

using "Enable TLS for SMTP = TRUE"

MAILDRIVER[07/05/2018 17:12:33]:DBG:SMTP: Closing socket to server on port 587
MAILDRIVER[07/05/2018 17:12:33]:ERROR:SMTP server unavailable: 535 Authentication Credentials Invalid


MAILDRIVER[07/05/2018 17:12:34]:ERROR:SMTP server unavailable: 530 Must issue a STARTTLS command first


 "SMTP Account Name" and "SMTP Password" were changed


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