>How have you figured out, he was in Ho Chi Minh? Besides, this one is definitely a fake account and could be safely deleted.

"Hcm City" and a reasonably valid Vietnamese name? For all I know, it was JVP sitting in a cybercafe in Juneau Alaska. It also appears to be a valid email - didn't bounce. An unused account, perhaps - not necessarily a 'fake' account. Let's not waste time picking apart my single example. There are thousands in the file, if you look closely.

I repeat, how do you propose preventing these types of entries? I thought it was a valid question...