Enforce Email Signature

You could use the transport rules.

http://technet.microsoft.com/en-us/library/dd638183.aspx#PropertyTypes

This link will give you a list of AD Properties you can use....

Depends what you want in there but you could look into discalimer software to do most for you.
Some software will even take user info from AD as long as that is populated.

You can also copy signature to all users profiles and apply by GPO but this would be a standard sig and would require customising for each user.

Best FREE solution I have found for OUTLOOK clients is this one here.

http://gallery.technet.microsoft.com/ScriptCenter/6f7eee4b-1f42-499e-ae59-1aceb26100de/

http://www.policypatrol.com/personalizedsignatures.htm?gclid=COj6vJCj3agCFchO4Qodj3rjAQ

http://www.exclaimer.com/products/mail-disclaimers/Default.aspx?gclid=CMLH5qOj3agCFYob4QodZF_-_w

http://landukmes.gfi.com/free-email-disclaimers-sm/?adv=953&loc=190&gclid=CO2p9quj3agCFcod4QodjxDIAg

http://www.symprex.com/products/email-signature-disclaimer-manager/

http://www.codetwo.com/exchange-rules/

We use exclaimer

am looking for something that can support all kind of connection types (POP, LAN users, owa). which can be the best

Transport rules. Everything has to pass through the server anyway so it means you on;y do it once....

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