T-Mobile shadow User Manual page 156

156 Working with Company E-mails and Meeting Appointments
To verify the digital signature on a signed message you receive
1. Open the Outlook e-mail message that has been digitally signed.
2. At the top of the message, select View signature status.
Note You may need to download the rest of the message to see the name of the
3. Select Menu > Check Certificate.
To view the details of the certificate in the message, select Menu > View
Certificate.
Note
There can be several reasons why a digital signature is not valid. For example, the
sender's certificate may have expired, it may have been revoked by the certificate
authority, or the server that verifies the certificate is unavailable. Contact the sender
to report the problem.
person who signed the e-mail.