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I am using a PIX 520 v 6.3.3 and having a spam problem. A spam service Postini is employed. I want to deny all SMTP traffic unless it comes from one of the Postini servers. Can the PIX be configured to accomplish this?<br />
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Thanks in advance for any help.<br />

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I am using a PIX 520 v 6.3.3 and having a spam problem. A spam service Postini is employed. I want to deny all SMTP traffic unless it comes from one of the Postini servers. Can the PIX be configured to accomplish this?

Thanks in advance for any help.


PIX 520 V6.3.3

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.

Software Firewalls

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).