A recent debian-curiosa thread made my day:

# Subject: looking for someone?
# From: "Mitch"
Hi there locvely,
aThis kind aof opportucnity comes ones in a life. I don't want
to miss it. Do you? I am coming to your place in few days
and I thoughc may be we can meet each other. If cyou don't mind
I can send you my pcicturea. I am a girl.
You can bcorrespond with me using my email

# From: 'Mash
Sorry I prefer a women who isn't so keen on placing random letters
in her words. Apparently they are rubbish in bed.
I mean what the hell is a "pcicturea," something from the
Anne-summers Jurassic collection?

'Mash

# From: Shawn McMahon
I prefer women who aren't named "Mitch".