174
MAILQ
Low RiskTCP/UDP — Email
Port Overview
Port Number
174
Service Name
MAILQ
Transport Protocol
TCP/UDP
Category
Email
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 174?
MAILQ was an early protocol for querying the state of a mail server's outbound message queue. Entirely supplanted by SMTP management interfaces.
TCP/UDP
Email
Security Considerations
Port 174 (MAILQ) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.