HTC IRIS100 User Manual download pdf (Page 62)

62 Working with Company E-mails and Meeting Appointments

To view the details of the certificate in the message, click Menu > View Certificate.

Note 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have expired, it may have been revoked by the certificate authority, or the server that verifies the certificate is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

You can set up ActiveSync to digitally sign and encrypt all outgoing messages. You must obtain a valid

certificate to sign and encrypt e-mail messages successfully.

1. Click Start > ActiveSync.

2. Click Menu > Options.

3. Select the E-mail information type, and click Settings.

On the E-mail Sync Options screen, click Menu >

Advanced.

4. Select Encrypt messages to protect your e-mails from

being viewed except by the intended recipients. Select

Sign messages so that recipients are certain that e-

mails are sent by you and have not been altered.

5. Click Menu > Choose Certiﬁcate to select a certiﬁcate for signing or encrypting outgoing e-mail

messages.

Set permissions on an e-mail message

Another way of protecting your e-mail messages is to send messages with restricted permissions using

Information Rights Management (IRM).

Requirement This works only with a Microsoft Outlook e-mail account and if your company is using RMS Server SP1.

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

2. Create a message, then click Menu > Message Options.

3. In Permission, do one of the following:

• To allow anyone to read the message, select Unrestricted Access.

• To prevent the message from being forwarded, printed, or copied, select Do Not Forward.

4. Click Done.

Tip An IRM-protected message received on your phone can only be replied to or forwarded if the message permits it.

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HTC IRIS100 User Manual Page 62