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Error: "Javax.mail.MessagingException: Exception Reading Response; Nested Exception is: Unrecognized SSL Message, Plaintext Connection?" When Sending Emails From P6 Web Access (Doc ID 1946639.1)

Last updated on JANUARY 03, 2018

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 8.3 and later
Information in this document applies to any platform.


When attempting to Email in P6, it appears to work but no email is received and in the p6webaccess.html log the following error occurs.

javax.mail.MessagingException: Exception reading response; nested exception is: Unrecognized SSL message, plaintext connection?

The issue can be reproduced at will with the following steps:

  1. Log on to P6
  2. Attempt to email something for example an activity on a project.
  3. Email pops up and appears to send ok, but no email is received.
  4. Web log shows error.



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