Cisco firewall SMTP “fixup” considered harmful

This issue is old and familiar to us, and crops up about once every six months or so. I thought it might help to document the situation more publicly. On Cisco firewalls (PIX or the newer ASA), various protocol inspection … Continue reading →

Posted in Cisco Networks, Firewall, Mail Relay, Message Submission | 9 Comments

Webcache Hardware Refresh

Our servers are kept in warranty/hardware support so that hardware failures can be quickly replaced with minimum effect on the service. The webcache has had new hardware purchased for it to replace hardware going out of warranty. I’ve been preparing … Continue reading →

Posted in General Maintenance, Services, Web Cache | Comments Off on Webcache Hardware Refresh