Port lookup
Port 465 — TCP
Secure SMTP
Secure SMTP (SMTPS) sends mail between mail servers over a coded link, so the mail cannot be read on the way.
Why it matters
It is the safe way to send mail out, and mail servers should only use it with a partner they trust.
Back to the port listLearn on the job
Ports are daily work on the network desk.
Look up a port here, then see it in real work on the network desk.