The following table lists the clients available for use with Microsoft® Exchange Server 2003 and the availability of Secure/Multipurpose Internet Mail Extensions (S/MIME) support for each client.
|
E-mail client
|
S/MIME operation
|
Supported
|
|---|
|
Microsoft Outlook® 2000 SR-1 or later
|
Send clear text signed message.
|
Yes
|
|
|
Send opaque signed message.
|
Yes
|
|
|
Send encrypted message.
|
Yes
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
Yes
|
|
|
Read encrypted message.
|
Yes
|
|
Internet Standards clients (POP3 and IMAP4)
|
Send clear text signed message.
|
Supported in Exchange. Specific client must also support.
|
|
|
Send opaque signed message.
|
Supported in Exchange. Specific client must also support.
|
|
|
Send encrypted message.
|
Supported in Exchange Specific client must also support.
|
|
|
Read clear text signed message.
|
Supported in Exchange Specific client must also support.
|
|
|
Read opaque signed message.
|
Supported in Exchange Specific client must also support.
|
|
|
Read encrypted message.
|
Supported in Exchange Specific client must also support.
|
|
Outlook Web Access Premium with S/MIME Control
|
Send clear text signed message.
|
Yes
|
|
|
Send opaque signed message.
|
Yes
|
|
|
Send encrypted message.
|
Yes
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
Yes
|
|
|
Read encrypted message.
|
Yes
|
|
Outlook Web Access Premium without S/MIME Control
|
Send clear text signed message.
|
No
|
|
|
Send opaque signed message.
|
No
|
|
|
Send encrypted message.
|
No
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
No
|
|
|
Read encrypted message.
|
No
|
|
Outlook Web Access Basic
|
Send clear text signed message.
|
No
|
|
|
Send opaque signed message.
|
No
|
|
|
Send encrypted message.
|
No
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
No
|
|
|
Read encrypted message.
|
No
|
|
Outlook Mobile Access
|
Send clear text signed message.
|
No
|
|
|
Send opaque signed message.
|
No
|
|
|
Send encrypted message.
|
No
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
No
|
|
|
Read encrypted message.
|
No
|
|
Exchange ActiveSync®
|
Send clear text signed message.
|
No
|
|
|
Send opaque signed message.
|
No
|
|
|
Send encrypted message.
|
No
|
|
|
Read clear text signed message.
|
Yes
|
|
|
Read opaque signed message.
|
No
|
|
|
Read encrypted message.
|
No
|