[c-nsp] SMTP

[Mohammad Khalil]

hi all

we have a lot of our customers that are uses SMTP servers other than our own server
which causes the subnet to be black listed 
we tried to block them from accessing any other SMTP server except our own server using access lists on our core routers 
it works fine but is that the optimal solution for that??
is there any other ways to do that ?

Thanks
 		 	   		  
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