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IMAP4 SSL — Common Ports

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

Role Unconfirmed (1)

585
tcpSystem

IMAP over SSL port for secure mail retrieval

secureIMAP4service

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 IMAP4 SSL use?

IMAP4 SSL commonly uses these ports: 585. These are community database references — actual configuration may differ.

How do I check if IMAP4 SSL is running?

Run sudo ss -tlpn 'sport = :585' 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 IMAP4 SSL belong to?

IMAP4 SSL belongs to the System category. This page lists the software's port associations and their roles.