Which port is IMAP commonly associated with by default?

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Multiple Choice

Which port is IMAP commonly associated with by default?

Explanation:
IMAP is the protocol used to retrieve mail from a server, and its default listening port is 143 for unencrypted connections. This is defined in standard references for IMAP. When IMAP is secured with TLS/SSL, it typically uses port 993, but the common default for non-secure IMAP is 143. The other ports mentioned correspond to different services: 25 is for SMTP (sending mail), 80 is HTTP (web traffic), and 443 is HTTPS (encrypted web traffic). So seeing activity on port 143 is a strong indicator of an IMAP service handling mail retrieval.

IMAP is the protocol used to retrieve mail from a server, and its default listening port is 143 for unencrypted connections. This is defined in standard references for IMAP. When IMAP is secured with TLS/SSL, it typically uses port 993, but the common default for non-secure IMAP is 143. The other ports mentioned correspond to different services: 25 is for SMTP (sending mail), 80 is HTTP (web traffic), and 443 is HTTPS (encrypted web traffic). So seeing activity on port 143 is a strong indicator of an IMAP service handling mail retrieval.

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