[1123581321]

I've matched some of them by googling ('a'..'z').each {|l| puts "first#{l}[e-mail]"}

The one who handed out thousands of business cards, and who has the same MI as the start of our last name, has caused the most sensitive information to be sent to me, by far.

[lhamil64]

I'm having a hard time understanding what you are saying you Google.

[joombaga]

The first name and last name with each middle initial e.g. if you know they're John Smith then search for [e-mail], [e-mail], etc.

[1123581321]

Thank you, and fun fact: [e-mail] is a special address that returns a 'does not exist' error.