MS Error: 538 5.7.11 Encryption Needed To Use Mechanism PLAIN (Encryption Required)
Last updated on MAY 23, 2017
Applies to:Oracle Communications Messaging Server - Version 8.0.1 and later
Information in this document applies to any platform.
Seeing SMTP submission fails with the following message in the mail.log_current:
12-May-2017 01:10:25.94 0d3e.6.5 tcp_intranet + U TCP|17.xxx.xxx.xxx|25|17.xxx.xxx.xxx|50823 SMTP Encryption needed for mechanism PLAIN (Encryption required) 538 5.7.11 Encryption needed to use mechanism PLAIN (Encryption required)
Is this error message new? or is it a new default?
Is there a parameter I can set to allow SMTP auth between mshttpd and the MTA but NOT require SSL?
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