70 Synchronizing Information and Setting Up E-mail Security

Digitally sign and encrypt all messages

ActiveSync allows you to set up S/MIME e-mail encryption and signing. 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 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.

You can select certificates to sign or encrypt e-mail messages individually if you do not choose to sign or encrypt all outgoing e-mail. For information about signing and encrypting individual messages, see “Individually sign and encrypt a message” in Chapter 7.

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HTC Pocket PC Phone user manual Digitally sign and encrypt all messages, Tap Start Programs ActiveSync Tap Menu Options