// REFERENCE
Port 143 (IMAP)
Protocol: TCP
Service: IMAP
Medium risk
IMAP: mailbox access keeping mail on the server (unlike POP3). Unencrypted on 143; its secure version is IMAPS (993), which is the one to use.
Related tools
Work with this in:
Related
25
Port 25 (SMTP) 110
Port 110 (POP3) 465
Port 465 (SMTPS) 587
Port 587 (SMTP submission) 993
Port 993 (IMAPS) 995
Port 995 (POP3S)
Port 25 (SMTP) 110
Port 110 (POP3) 465
Port 465 (SMTPS) 587
Port 587 (SMTP submission) 993
Port 993 (IMAPS) 995
Port 995 (POP3S)
Assignments per the IANA port registry. Educational content.