# ProtocolLab HQ

HTTP codes Ports

TCP Port

465 SMTPS

SMTP over implicit TLS — encrypted email submission from a client to a mail server.

Protocol: TCP · Port: 465

ProtocolLab HQ — HTTP codes and ports, looked up fast.

A quick developer reference for HTTP status codes and common network ports, compiled from the relevant RFCs and IANA registries. Port assignments and status semantics occasionally change; check the current standard when it matters.