abhishek singh wrote: > i have never opened telnet ok , my xinetd service is > off so there is no telnet service , i m doing telnet > to outside to 25 port on my mail server and there is > proper smtp authentication enabled on server , the > problem is anyuser (non-existing) with my domain can > send mail to my real domain users. > below is example........ > Check this and do accordingly ... http://www.sendmail.org/faq/section3.html#3.27 http://www.sendmail.org/tips/relaying.html hope this help! -- ( ) ..........Mahayudin Mohd Hashim §( (.) (.) )§ -o000o--(_)--o000o- ........Vox : +609.583.3205.271 ------------------------------------------------------- | SEEK TO UNDERSTAND, THEN TO BE UNDERSTOOD | ------------------------------------------------------- -- This Message has been scanned for WORMS,VIRUSES and DANGEROUS CONTENT and is believed to be CLEAN -- Kuantan Port Consortium Sdn Bhd +609.583.3205 http://www.kuantanport.com.my (2005-JAGATENGAH)