How do I block requests from an ip address on a Cisco Pix 515?

I have a Cisco Pix 515e and I was wondering if anyone knew how to block traffic from a certain IP adress.  The problem is that there's a machine out there sending my company thousands of e-mails a day just tryng to spam us.  It's all coming from one IP address does anyone know a way to block this?   Thanks
doubledown830Asked:
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lrmooreConnect With a Mentor Commented:
Easy. Assuming that you already have an inbound traffic access-list that is permitting smtp from "any", just add a block at the top of the acl:

access-list inbound_acl deny ip host <spammer ip> any
<rest of inbound_acl>

Always re-apply the acl when changing it:
  access-group inbound_acl in interface outside
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lrmooreCommented:
Are you still working on this? Any updates to your status?

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lrmooreCommented:
How's it going? Have you found a solution? Do you need more information?
Can you close this question?

http://www.experts-exchange.com/help.jsp#hs5

Thanks for attending to this long-forgotten question.

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