Smtp;500 5.5.1 Unknown Command "XXXX" Specified

(Doc ID 1493169.1)

Last updated on NOVEMBER 15, 2017

Applies to:

Oracle Communications Messaging Server - Version 6.2.0 and later
Information in this document applies to any platform.


We have a lot of mail with the following type of error message in the logs (mail.log_current or mail.log):

There are about 100 or more every day.  We are validating but, find no changes as of late.

Have you seen this before?  Can you point us in the right direction?




Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms