<P>
<BR>
Hai<BR>
I have a mailserver(sendmail) i want to block telneting to my smtp server<BR>
<BR>
#telnet myip 25<BR>
<BR>
I want to block or only secure user can access this <BR>
how can i do this ?<BR>
thanks in advance<BR>
jijos
</P>
jijo's<br>
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