Good day guys! Im administering a mail server using slackware 7 using sendmail with a 
basic firewall using IPChains.

How do i blocked a specific IP address'es or user not to send email to outside world 
but she could send an email inside the network? 

Thanks in advance.

Best Regards
Glynn S. Condez
Technical Operations

TEXTRON CORPORATION
Home page: http://www.itextron.com
email: [EMAIL PROTECTED]

3rd Floor Textron Building 
168 Luna Mencias Street 
1500 San Juan, Metro Manila

Tel : ++ 63 2 726-7701 to 02 
++ 63 2 718-2222 
Fax: ++ 63 2 724-8121 


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