IMAP/POP3
IMAP on ports: TCP/143 or TCP/993 | POP3 on ports: TCP/110 and TCP/995
IMAP Commands
Command
Description
1 LOGIN username password
User's login.
1 LIST "" *
Lists all directories.
1 CREATE "INBOX"
Creates a mailbox with a specified name.
1 DELETE "INBOX"
Deletes a mailbox.
1 RENAME "ToRead" "Important"
Renames a mailbox.
1 LSUB "" *
Returns a subset of names from the set of names that the User has declared as being active
or subscribed
.
1 SELECT INBOX
Selects a mailbox so that messages in the mailbox can be accessed.
1 UNSELECT INBOX
Exits the selected mailbox.
1 FETCH <ID> all
Retrieves data associated with a message in the mailbox.
1 CLOSE
Removes all messages with the Deleted
flag set.
1 LOGOUT
Closes the connection with the IMAP server.
1 FETCH 1:* full
to get most information
1 FETCH 1:* BODY[TEXT]
to get the text in the body
POP3 Commands
Command
Description
USER username
Identifies the user.
PASS password
Authentication of the user using its password.
STAT
Requests the number of saved emails from the server.
LIST
Requests from the server the number and size of all emails.
RETR id
Requests the server to deliver the requested email by ID.
DELE id
Requests the server to delete the requested email by ID.
CAPA
Requests the server to display the server capabilities.
RSET
Requests the server to reset the transmitted information.
QUIT
Closes the connection with the POP3 server.
Dangerous Configuration settings
Setting
Description
auth_debug
Enables all authentication debug logging.
auth_debug_passwords
This setting adjusts log verbosity, the submitted passwords, and the scheme gets logged.
auth_verbose
Logs unsuccessful authentication attempts and their reasons.
auth_verbose_passwords
Passwords used for authentication are logged and can also be truncated.
auth_anonymous_username
This specifies the username to be used when logging in with the ANONYMOUS SASL mechanism.
Tools
nmap with default scripts
curl curl -k 'imaps://<IP>' --user user:p4ssw0rd
OpenSSL for encrypted interactions:
openssl s_client -connect 10.129.14.128:pop3s
openssl s_client -connect 10.129.14.128:imaps
Last updated