IMAP (Internet Message Access Protocol) Pentesting IMAP is an internet standard protocol used by email clients. Default ports are 143, 993. Enumeration nmap --script imap-capabilities -p 143 <target-ip> Banner Grabbing nc -nv <target-ip> 143 openssl s_client -connect <IP>:993 -quiet Connect telnet 10.0.0.1 143 Commands # Login a1 login "<username>" "<password>" # Logout a1 logout # Close mailbox a1 close