A customer of mine is using the mail relay feature of my IMail server with
his Exchange Server.
The security settings in his Exchange don�t seem to be properly configured,
since someones is using his server to do spam. As his Exchange delivers all
outgoing mail to my IMail, this spam is obviously passing through it.
Which would be the best security configuration in my IMail Server for this
case? Bear in mind that if it�s neccesary, I can make him deliver his
outgoing mail to another server, or directly to the Internet.


***********************************
Guillermo Hechem - Postmaster
Citynet S.A. - Ciudad Internet
Corrientes 840 - Rosario (2000)
Argentina
Tel. 54-341-4470003 - Fax: int. 105
***********************************

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