An email forward tagging system including means for selecting on a sender's email client a receiver's email address; means for displaying to the sender's email client a tagging function; means for selecting on the sender's email client the tagging function; means for sending, via a common email system protocol, an email from a email-sending server to a first email-receiving server; means for receiving, via the common email system protocol, the email at the first receiver's email server from the email-sending server; means for sending the received email in the form of one of a forward email and a reply email to a second email-receiving server connected to the network; and means for automatically forwarding the one of the forward email and the reply email to the sender's email address when the sender's email address is omitted from the one of said forward email and said reply email.