Which port corresponds to IMAP?

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Multiple Choice

Which port corresponds to IMAP?

Explanation:
IMAP relies on a reliable TCP connection, and the standard port for unencrypted IMAP is 143. When clients connect to a mail server to retrieve messages, they typically use TCP on port 143. The option that shows 143/TCP aligns with this, though it also mentions UDP, which isn’t used by IMAP (IMAP runs over TCP). For context, IMAPS uses 993 when encryption is used. Other services use different ports: LDAP is commonly on 389, NFS on a different port, and HTTPS on 443. So the port that corresponds to IMAP is 143 over TCP.

IMAP relies on a reliable TCP connection, and the standard port for unencrypted IMAP is 143. When clients connect to a mail server to retrieve messages, they typically use TCP on port 143. The option that shows 143/TCP aligns with this, though it also mentions UDP, which isn’t used by IMAP (IMAP runs over TCP). For context, IMAPS uses 993 when encryption is used. Other services use different ports: LDAP is commonly on 389, NFS on a different port, and HTTPS on 443. So the port that corresponds to IMAP is 143 over TCP.

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