The DICT Development Group
1 definition found
From The Free On-line Dictionary of Computing (30 December 2018) :
1. The portion of a packet, preceding the actual data,
containing source and destination addresses, error checking
and other fields.
2. The part of an electronic mail message or news article
that precedes the body of a message and contains, among other
things, the sender's name and e-mail address and the date and
time the message was sent.
Contactfirstname.lastname@example.org Specification=RFC 2229