HTC Tilt 8900 - Manual (Page 137)

Working With Company E-mails and Meeting Appointments 137
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, tap View Signature Status.
3. Tap Menu > Check Certificate.
To view the details of the certificate in the message, tap 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the sender’s certificate may have expired, it may have been revoked by the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.