Originally Posted by KlenTelaris

In shortly,to detect scam,just look for weird/out-of-order things,
like
-bad english
-calling you sir
-acting "too friendly"
-no history on google/gfy/etc,and google every possible avalaible information,like icq id,user id,paxum id,whatever you can search further

In most cases,if something does not look good,then it's a reason why it does not look good.