Monday, October 29, 2007

ESMTP and PIX firewalls

If you have a PIX firewall be sure to disable SMTP packet inspection or you'll see some serious mail delays/failures with certain ISPs. For more info, see Cisco's article here:

http://www.cisco.com/warp/public/110/mailserver.html

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a008067cf3b.shtml

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