SMTP not working-200 *.

Hi supports,

I need your help very badly.

I have a firewall with inside, outside and dmz. I have smtp server in the DMZ. I gave nat 0 inside the dmz and vice versa. From outside the DMZ smtp server nat static is there.

When I telnet to the SMTP on port 25 I get the below error...

Pls help me...

220 ****************************************************************************

***************

HELO

5.3.3 500 command not recognized

concerning

Rajesh

try to do the same in the DMZ. You have the same error?

Tags: Cisco Security

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