Thanks for the troubleshooting pointers on this elusive problem. Here is a snippet from the log of what appears to be one event. I would assume it was bad credentials, except that it seemed to behave the same way with another gmail account created expressly for the purpose. I don't believe there are any credentials to revoke. Do these log details give any helpful clues?
14-01-22 13:31:26 - Upload Service destroyed
14-01-22 13:31:26 - Email was sent to:
anonymousperson@gmail.com
14-01-22 13:31:26 - Could not send email: javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8
https://support.google.com/mail/?p=BadCredentials x16sm4007266qko.15 - gsmtp
14-01-22 13:31:25 - Using email password
14-01-22 13:31:25 - Uploading to Email
14-01-22 13:31:24 - Upload Service created
14-01-22 13:31:24 - Send Email: Call Ended: Macro1
14-01-22 13:31:24 - Invoking Macro: Call Ended: Macro1
14-01-22 13:31:24 - Call Ended (Any Number): +15638124403