Dose this mailing service really work?? and have u done it or do it now ??

(my spelling is sucky so please try to bear with me)It is a mailing service that has u mail brochers and u get payed for it i got a letter and in it, it states that u will get $6.00 for evey envalope sent i would like to know if it is a scam or realy a lageit bisness