Has anyone used yahoo personals?

ive used it and beginning to think its a scam ive had some people message me saying there interested in be so when i go to mage them back there usually in other countries on business trips tring to get back here or anouther example is this person message me and i mage back but never got a responce and a couple weeks latter i get the very same message from anougher person its a little odd and beginning to think its a scam are all dating websites scams thanks