Authentication Mechanism not Presented In IMAP Capabilities

(Doc ID 1367087.1)

Last updated on AUGUST 31, 2017

Applies to:

Oracle Communications Messaging Server - Version 7.0.4 and later
Information in this document applies to any platform.


When the third-party authentication server went down, imapd was not presenting the mechanism in the banner and attempts to use the authentication mechanism failed with:

2.17 NO [AUTHENTICATIONFAILED] Mechanism not available

Missing from the banner were: AUTH=ATOKEN AUTH=WSTOKEN AUTH=WETOKEN


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