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M3UA

MAC

Macintosh

MacMIME

macro

MADCAP

mail filtering

Mail Monitoring

Mail Routing

Mail System

Mail System Administrative Message

mailbox

mailbox name

mailing list

mailto

Managed Object

management

management framework

management information base

management protocol

MAP

markup language

MARS

MASC

Matching Rule

MAU

MaXIM-11

MD5

MD5 authentication

MDN

media feature

media feature set

Media Stream

media type

Megaco

message authentication

Message Authentication Code

message bod

message context

Message Disposition Notification

Message Format

message header

message header extension

Message Header Field

Message Posting Protocol

message queue

Message Send Protocol

Message Size

Message Specification

message submission

message type

Message-id

message/external-body

meta

method

MHS

MIB

MIB definition

MIB module

MIB Specification

MIME

MIME content

MIME header

MIME media type

MIME message

MIME Object Security Service

MIME Parameter

MIME Type

MIME Type Registration

MIXER

MLD

MLDv2

mnemonic

Mobile IP

Mobile IPv4

Mobile IPv6

mobile node

Mobile-IPv4

mobility support

modem

Modem Management Information Base

MODP

Modular Exponential

MP

MP3

MPD

MPEG

MPEG-4

MPEG1

MPEG2

MPLS

MPLS label

MPLS label stack

MPLS Traffic Engineering

MSDP

MT

MTA

MTP3

MTU

Multi-Protocol

Multi-Protocol Label Switching

MULTIAPPEND

multicast

multicast address

Multicast Address-Set Claim

Multicast Filtering

multicast key

multicast listener discovery

multicast routing

Multicast Source Discovery Protocol

Multicast-Scope Zone Announcement Protocol

multicasting

multilink protocol

multiplexing

multiprotocol encapsulation

Multiprotocol Interconnect

multiprotocol label switching

Multiprotocol Label Switching Architecture

Multipurpose Internet Mail Extension

MZAP

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