This article explains a frequent issue with a simple solution: trouble logging into PSMail.
Please note that PSMail’s certificate is registered and usually up to date. Verify the following information:
Explanation of the “Security failure. Data decryption error” received with Internet Explorer on a Macintosh OS 9 computer.
Email users sometimes find that they receive email messages with a strange file attached: winmail.dat. When they attempt to open this file, either it can’t be opened at all, or it contains “garbage” data. In this article we explain the problem and offer solutions to help correct it.
Explanation of “MS Visual C++ Runtime Error R6025”.
An explanation of the error message: UNABLE TO VERIFY YOUR SESSION INTEGRITY.