Look at server-based solutions. See http://www.slipstick.com/addins/content_control.htm

--
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx

"Leo" wrote in message ...
Hello,

I'm not included in Exchange administrators group, but all of our users have
to add disclaimer in security statement for outgoing mails.

I would like to add the text at the end of the outgoing mails for all users
at the same time by group policy.

How can I do?