how to stop using *telnet <domain> 25*

[Matthew Carpenter]

Swapana Ghosh wrote:

>Hi
>
>      Is there any way where I can stop of sending mail using *telnet <domain>
>25* for our servers from everybody..
>
>Thanks 
>-Swapna
>
>
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what? Sure!  Get a real Mail Client :)
No, really.  What are you trying to do?  Stop ALLOWING it?  No.  You can 
enforce TLS or some other magic, but that will cause you to NOT get mail.
SMTP is an open protocol.