Stop incoming SMTP on Pix 515

[Zelandakh]

Nice easy one to start the day!

Can some detail what I need to type to stop inbound emails coming in through my external NIC? I'm replacing the email server and want to stop emails coming in until I've got the new one sorted.

Once it is up, what command allows them back in?

I need outbound so I can send emails out to test the mail connector.

Thanks.

 

[ChrisAC]

Take out the access-list or conduit statement that is currently letting mail in to your mail server. By default the PIX doesn't allow any traffic in from the outside to the inside so you must have a rule in place to allow mail in. Just take it out!

If you're unsure then post the config.

Chris.
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Chris Andrew, CCNA
chris@iproute.co.uk
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