On internet securing email has forever been an important issue because electronic mail is the basic internet services for communication there are thousands of messages are generated in a day such as physical document, files and conversation between the communicating parties. But at the present time email frauds are main issues in this kind of communication. Some of the email frauds can be categorized as email spamming, header spoofing, email bombing, email viruses and worms. So the author identification is a challenging task in such a fraudulent environment so this paper discussed about email author identification and trusted email protocols are used for such type fraudulent environment.