HTC SMT5800 user manual Mail Security, To individually sign and encrypt a new message

Working with Company E-mails and Meeting Appointments 67

Notes • You can save the contact from the Company Directory to your phone by selecting the contact then clicking Menu > Save to Contacts.

•You can search on the following information as long as that information is included in your organization’s Company Directory: First name, Last name, E-mail name, Display name, E-mail address, or Office location.

7.5E-mail Security

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

Requirement S/MIME encryption and digital signatures for Windows Mobile-based phones 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.

To individually sign and encrypt a new message

1.Click Start > Messaging > Outlook E-mail.

2.Click Menu > New to create a new message.

3.Click Menu > Message Options.

4.From the Security list, select whether to encrypt only, sign the 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.