HTC Shadow user manual Mail Security, Encrypt and sign messages, Select Menu Message Options

Working with Company E-mails and Meeting Appointments  155

7.5  E-mail Security

Windows Mobile® on your phone protects your Outlook e-mails through Secure/ Multipurpose Internet Mail Extension (S/MIME), which lets you digitally sign and encrypt your messages.

Requirement S/MIME encryption and digital signatures for Windows Mobile® powered smartphones are available only with Exchange Server 2003 SP2 or a later version that supports S/MIME. If you are not using one of these products or have not yet synchronized, these options are unavailable.

Note You can encrypt a message with or without a certificate. However, to read an encrypted message, you need a valid certificate to decrypt it.

Encrypt and sign messages

To individually sign and encrypt a new message

1.On the Home screen, scroll down to on the Shortcut Bar and then select Outlook E-mail > Compose.

2.Select Menu > Message Options.

3.From the Security list, select whether to encrypt only, sign the message only, or do both.

4.Select Done.