Htc EMC220 User Manual download pdf (Page 53)

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.

On the Home screen, click

Start > ActiveSync

Click

Menu > Options

Select the

E-mail

information type, and click

Settings

. On the E-mail

Sync screen, click

Menu > Advanced

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

Click

Menu > Choose Certiﬁ cate

to select a certiﬁ cate for signing or

encrypting outgoing e-mail messages.

You

can select certiﬁ cates 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.

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Htc EMC220 User Manual Page 53