The first e-mail programs were created in the late 60s/early 70s—simpler times, when everyone on the network was trustworthy. Even knowing what we know today about spammers, we still tend to take e-mail for granted, and trust it far more than it deserves. Learn about the components of the e-mail system, understand how e-mail moves on the Internet, and find out how to interpret e-mail message headers.
format of e mails
“(Transmits message body)”. The format of an email message is specified in RFC 5322 and some other associated RFCs. An email message consists of: A number of plain-text headers. A blank line. A sequence of lines containing the message body. Note that the division of an email message into headers and body is done for the convenience of email-reading software. An SMTP server (for the most part) sees both the headers and body as one big chunk of data. A message header consists of the header name, a