POP3 (110,995)

The Post Office Protocol v3 (POP3) is used for receiving emails on ports 110 (unencrypted) and 995 (SSL). It downloads messages from the server and removes them from it by default. It is good for accessing mail from one device.

# Connect
telnet <ip> 110
openssl s_client -connect <ip>:995

# Provide your username (email address)
USER <username>

# Provide your password
PASS <password>

# List available email messages (number and size)
LIST

# Retrieve the content of a specific message (e.g., message 1)
RETR 1

# (Optional) Delete a specific message from the server
DELE 1

# Close the connection
QUIT