Sony Ericsson XPERIA, Extended User Manual, Page: 55 / 90

To individually sign and encrypt a new message
1 Tap > E-mail > Outlook E-mail .
2 Tap Menu > New to create a new message.
3 Tap Menu > Message Options .
4 From the Security list, select whether to encrypt only, sign the message only, or do
both.
5 Tap ok .
To verify the digital signature on a signed message you receive
1 Tap > E-mail > Outlook E-mail .
2 Open an Outlook e-mail message that has been digitally signed.
3 At the top of the message, tap View Signature Status .
4 Tap Menu > Check Certificate .
5 To view the details of the certificate in the message, tap Menu > View Certificate .
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certificate may have expired, it may have been revoked by the certificate authority, or the server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
1 Tap > ActiveSync .
2 Tap Menu > Options .
3 Select the E-mail information type, and tap Settings . On the E-mail Sync Options
screen, tap Advanced .
4 Select one or both of the following options:
• Sign all outgoing e-mail messages – 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.
• Encrypt all outgoing e-mail messages – 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.
5 Tap
Choose Certificate
to select a certificate for signing or encrypting outgoing e-
mail messages.
You must obtain a valid certificate to sign and encrypt e-mail messages successfully.
Setting permissions for an e-mail message
Another way of protecting your e-mail messages is to send messages with restricted
permissions using Information Rights Management (IRM).
This works only with a Microsoft Outlook e-mail account and if your company is using RMS Server
SP1.
To set permissions for an e-mail message
1 Tap > E-mail > Outlook E-mail .
2 Tap Menu > New to create a new message.
3 Tap Menu > Message Options .
4 In the Permissions list, select one of the following:
• Unrestricted access – allow anyone to read the message.
• Do not forward – prevent the message from being forwarded, printed, or copied.
5 Tap ok .
An IRM-protected message received on your phone can only be replied to or forwarded if the
message permits it.
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