Making your mail ID anonymous...

Its my unaware to know that a precious kind of making our mail ID to more protective!.. Is there any possible way to map our mail id to an anonymous port? Such that the receiver couldn't see the mail ID.
Its more usefull for sending an emails. But it is an intermediate port use to send email but it wont receive and redirect. Its good idea! too any one tried? if yes please do comment on that... need to aware on that. Thanks in advance.