Exchange – Are you an Open Relay?
KB ID 0000087 Problem When Email was a new medium, pretty much all mail servers were open relays, and nobody really cared, after all if someone in Nigeria wanted to relay mail through a college server in Manchester then why shouldn’t they? Sadly with the explosion of Email and internet use this is no longer an option, because all those annoying Emails you get for Viagra or insider stock tips have probably been sent to you...
Troubleshooting Phase 1 Cisco Site to Site (L2L) VPN Tunnels
KB ID 0000216 Problem Site to Site VPN’s either work faultlessly straight away, or involve head scratching and a call to Cisco TAC, or someone like me to come and take a look. If I’m honest, the simplest and best answer to the problem is “Remove the Tunnel from both ends and put it back again”. Just about every VPN tunnel I’ve put in that did not work, was a result of my fat fingers putting in the wrong...