HTC TRIN100 user manual 161, To digitally sign and encrypt all messages

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 For example, the sender’s certificate may have expired, it may have been revoked by the certificate authority, or the server that verifies the certificate is unavailable.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.Tap Start > Programs > ActiveSync.

2.Tap Menu > Options.

3. Select the E-mailinformation type, and tap Settings. On the E-mail	10
Sync Options screen, tap Advanced.

4.Do one or both of the following:

•To sign all your outgoing e-mail messages so that recipients can be certain that the messages were sent by you and have not been altered in any way, select the Sign all outgoing e-mail messages check box.

•To encrypt all your outgoing e-mail messages so that the contents of your messages are protected from being viewed by anyone other than the intended recipients, select the Encrypt all outgoing e-mail messages check box.

5.Tap Choose Certificate to select a certificate for signing or encrypting outgoing e-mail messages.

Using Outlook with Exchange Server

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