SMTP

SMTP (Simple Mail Transfer Protocol) - a communication protocol used for the transmission of email. Default SMTP TCP port is 25

# NMAP
sudo nmap -p 25 -sV -sC -O <TARGET_IP>

nmap -sV -script banner <TARGET_IP>
Copy
nc <TARGET_IP> 25
telnet <TARGET_IP> 25

# TELNET client - check supported capabilities
HELO attacker.xyz
EHLO attacker.xyz
Copy
smtp-user-enum -U /usr/share/commix/src/txt/usernames.txt -t <TARGET_IP>
Copy
# METASPLOIT
service postgresql start && msfconsole -q

# Global set
setg RHOSTS <TARGET_IP>
setg RHOST <TARGET_IP>

use auxiliary/scanner/smtp/smtp_enum