HTC S710 ユーザーガイド
Working with Company E-mails and Meeting Appointments 103
message only, or do both.
5.
Click Done.
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, click View signature status.
3.
Click Menu > Check Certificate.
To view the details of the certificate in the message, click 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the sender’s certificate may have expired, it may have been revoked by the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.
To digitally sign and encrypt all messages
You can set up ActiveSync to digitally sign and encrypt all outgoing
messages. You must obtain a valid certificate to sign and encrypt e-mail
messages successfully.
1.
Click Start > ActiveSync.
2.
Click Menu > Options.
3.
Select the E-mail information type, and click Settings. On the E-mail
Sync Options screen, click Menu > Advanced.