Interactive mail transfer protocol comprises mails, where sending and effective receiving of mails is done from side of sender of human interaction in form of reply or query or purchase

摘要

The Interactive mail transfer protocolcomprises mails. The sending and effective receiving of mails is done from the side of the sender of a human interaction in form of a reply or a query or purchase depending on a digital stamps or digital signatures. The digital signatures test the input available by email. A message is sent back to the sender by non availability when the sender is unknown. The sender is a human and not a computer.