It will automatically strip off the mail headers and other introductory text.

A. A careful reading of the mail headers can usually indicate that the message is not really from where it says it's from.

In contrast to gpg- or pgp-encrypted e-mails, I2P-Bote also encrypts the mail headers.

See below to learn how to view and forward full mail headers with some of the more popular email clients and programs.

SpamAssassin - A mail filter, written in Perl, to identify spam using a wide range of heuristic tests on mail headers and body text.

I have to wonder how many people will get locked out of their accounts due to forged mail headers.

The pra has the disadvantage that forwarders and mailing lists can only support it by modifying the mail header, e.g. insert a or .

The Comodo and Diginotar incidents have shown that authority-based security has its limitations, but it's still much better than trusting random mail headers.

As a result, they are not fully general; they cannot be used, for example, to implement electronic mail headers (which are ordered and non-unique).

But the mail header is a part of the mail data (SMTP command ), and MTAs typically don't look into the mail.