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IMAP Mail Access — Common Ports

Email & MessagingReference link ↗

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

Default Ports (1)

143
tcpEmail & Messaging

IMAP on TCP 143 can upgrade a connection with STARTTLS when supported. It differs from implicit TLS on port 993.

MessageProtocol

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 IMAP Mail Access use?

IMAP Mail Access commonly uses these ports: 143. The default port is 143. These are community database references — actual configuration may differ.

How do I check if IMAP Mail Access is running?

Run sudo ss -tlpn 'sport = :143' 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 IMAP Mail Access belong to?

IMAP Mail Access 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
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