Port 209

Modified by:

Port 209 is typically used for the Quick Mail Transfer Protocol (QMTP), a protocol used by email servers for transferring incoming mail between servers. It is also sometimes used for the Datagram Delivery Protocol (DDP) used by AppleTalk.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 209
tcp
qmtp
The Quick Mail Protocol
WELL KNOWN PORT
Port 209
udp
qmtp
The Quick Mail Protocol
WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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Port 3410
Ports those registered with IANA are shown as official ports. The same port number
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