I recently had another instance where mobile phones (Android) refused to connect to an Exchange 2003 server. Using https://www.testexchangeconnectivity.com/, it stopped at

The help at Microsoft was misleading because I have already followed those steps. In this case, the issue was resolved by removing the Host Header Value from the Default Web Site in IIS:

I recently had to find out whether a very large text file had any lines where the length (character count) of each line differed, as they needed to be identical. This will help:

cat file.txt | awk '{gsub(/[ \t]+$/,""); print length($0)}' | sort -u

I have read countless articles where people tell you how bad it is to:

• Use dictionary words in combination with symbols - like Helicopter123
• Phrases with dictionary words - like I Like To Eat Spunk
• Dictionary words with letters replaced by symbols - like P@ssw0rd
• Part of your personal details mangled with other characters - like Girls081975
• Not use all of the character classes lower, upper, digits and symbols - like some123
• Using repeats of constructs - like NotMyPassword!NotMyPassword

Their reasonings are:

How do you report an email not working problem to your IT support vendor?

You email them….

Doh!