Cisco ASA – Using ‘logging’ to see what ports are being blocked
KB ID 0000702 Problem If you look after a firewall, sooner or later something will fail, and the blame (rightly or wrongly), will be leveled at the firewall. I came back from holiday this week to find a client had got a problem with secure POP email. The problem had been fixed (temporarily) by dropping the affected users into a group, and opening all ports. As this had fixed the problem then it’s fair to say that the ASA was...
Apple Device Stopped Sending Email – “Cannot Send Mail – A copy has been placed in your Outbox. The Recipient {name} was rejected by the server.”
KB ID 0000654 Problem Yesterday I got a text message from my wife to say she could not sent me an email. When she tried this happened: At first I thought it was just me, until I asked her to try sending an email to someone else, then she got the same result. Trying over 3G, and on the wireless at home, the results were the same. It had been working fine, but had then suddenly stopped working. My own iPhone was happily talking to the...