IMAP Mail Protocol

Protocol Description

The Internet Message Access Protocol (IMAP) protocol is used by e-mail clients to synchronize mail from a remote server. The more secure IMAPS protocol is more widely deployed, but IMAP is still in use.

Full Name

Internet Message Access Protocol

Abbreviation

IMAP

ProTips

IMAP is essentially unencrypted, so usernames and passwords are sent across the network in an insecure manner. If you see the IMAP protocol on your network, you should encourage the use of the alternative secure IMAP (IMAPS) protocol.

Known Ports

  • TCP 143 - IMAP mail port.
  • TCP 993 - Secure IMAP mail port.

Category

Mail

External Resources

Related Protocols

A list of related protocols is below. List of all protocols.
Category Name

Mail

Lotus Notes Details

Mail

POP Mail Details

Mail

SMTP Mail Details

Mail

Secure POP Mail Details

Mail

Secure SMTP Mail Details

Mail

Secure IMAP Mail Details

Protocol Detection

Do you know how much IMAP Mail traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.

What gets measured, gets managed.

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