Getting 'resource unavailable' Response Talking To Proofpoint Via DKIM Milter (Doc ID 1935034.1)

Last updated on SEPTEMBER 01, 2017

Applies to:

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

Symptoms

Messages from a specific sender always seem to trigger a 'resource unavailable' error from milter and get stuck in the reprocess queue.

Snippet from mail.log_current:

 

Cause

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