SBS – No Incoming Mail ‘421 4.3.2 Service not available’
KB ID 0000803 Problem While testing mail flow on a new SBS 2011 Server, outbound mail worked fine, but no mail would flow in. When I attempted to Telnet in from a remote host this was what I saw; 421 4.3.2 Service not available Connection to host lost. Solution Normally I’d expect to see an error like this if the Exchange ‘Receive Connector’ was misconfigured, (if you’re not using SBS 2011 create a new default...
Cisco ASA 5500 – Install and Configure a CSC Module
KB ID 0000731 Problem The Cisco CSC module provides ‘in line’ scanning of POP3, SMTP, HTTP and FTP traffic, to protect against viruses but also for anti spam and anti phish (with the correct licensing). If you are familiar with Trend products, you will like it, (because that’s what it runs), and the interface is much the same as Trend IWSS. It is a hardware device that plugs into the back of the ASA, and comes in...