POP3S — Common Ports
Community software entries: links are references, not individual verification.
Default Ports (1)
TCP 995 is POP3S — POP3 wrapped in TLS from the first byte. It is the secure replacement for plaintext POP3 on 110 and the default in modern mail clients.
POP3 over SSL/TLS
Scope
Port associations on this page are community-database references (common usage), not a live measurement of any machine; confirm with the official documentation before deployment.
Frequently asked questions
What port does POP3S use?
POP3S commonly uses these ports: 995. The default port is 995. These are community database references — actual configuration may differ.
How do I check if POP3S is running?
Run sudo ss -tlpn 'sport = :995' on the server to check for listening processes on these ports. Also use systemctl status <service> to check the service state. Without root you may not see other users' processes. A listening port alone does not prove the software identity — verify with the config file and process name.
What category does POP3S belong to?
POP3S belongs to the Email & Messaging category. This page lists the software's port associations and their roles.
Quick Info
- Categories
- Email & Messaging
- Associated ports
- 1
- Aliases
- —