User Manual

Synchronizing Information and Setting Up E-mail Security 53
Digitally sign and encrypt all messages
ActiveSync allows you to set up S/MIME e-mail encryption and signing. You
will have to obtain a valid certificate for signing or encrypting e-mail before
you will be able to sign or encrypt mail successfully.
1. On the Home screen, click Start > Utility > ActiveSync.
2. Click Menu > Options.
3. Select the E-mail information type, and click Settings. On the E-mail
Sync screen, click Menu > 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 Sign messages.
• To encrypt all your outgoing e-mail messages so that the contents
of your messages are protected from being viewed by anyone
other then the intended recipients, select Encrypt messages.
5. Click Menu > 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-mails. For information about signing and encrypting individual
messages, see “Individually sign and encrypt a message” in Chapter 6.