
501/421/361 12-13
Appendix
12
12.5 Internet fax glossary
The words commonly used regarding Internet fax operations are described below.
Term Definition
DSN Abbreviation for Delivery Status Notifications. A delivery status notification
message that is sent back to the sender at the time the E-Mail is received at
the recipients mail server.
Internet Fax Transmission method by which scanned documents are sent and received be-
tween an Internet fax and computers as TIFF format E-Mail attachments over
intranets (internal company networks) and the Internet.
MDN Abbreviation for Message Disposition Notifications.
A delivery confirmation message that is sent back to the sender in response to
such as request.
POP3 Abbreviation for Post Office Protocol - Version 3.
A common transmission protocol (transmission rules) used for the transmis-
sion and reception of E-Mail. This has various functions, including mail box au-
thentication, confirmation of E-Mail message downloads and list information,
and deletion of E-Mail messages.
SMTP Abbreviation for Simple Mail Transfer Protocol.
A common transmission protocol (transmission rules) used for the transmis-
sion and reception of E-Mail.