Beep_SMTP

Postfix

---

nmap discovered that the target system is using postfix as a SMTP server It was also able to enumerate the domain information; beep.localdomain

┌──(kali㉿kali)-[~/archive/htb/labs/beep]
└─$ nc -nv $IP 25
(UNKNOWN) [10.10.10.7] 25 (smtp) open
 
220 beep.localdomain ESMTP Postfix

The domain information can be confirmed via the banner grab technique with Netcat

The domain information has been appended to the /etc/hosts file on Kali for local DNS resolution