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IMAP3 Server — Common Ports

Community software entries: links are references, not individual verification.

Role Unconfirmed (1)

220
tcpSystem

IMAP3 protocol port for mail retrieval and management

IMAPProtocolVersion3Server

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 IMAP3 Server use?

IMAP3 Server commonly uses these ports: 220. These are community database references — actual configuration may differ.

How do I check if IMAP3 Server is running?

Run sudo ss -tlpn 'sport = :220' 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 IMAP3 Server belong to?

IMAP3 Server belongs to the System category. This page lists the software's port associations and their roles.