Warning: PHP Request Startup: Invalid date.timezone value '', using 'UTC' instead in Unknown on line 0

Warning: PHP Request Startup: Session ini settings cannot be changed after headers have already been sent in Unknown on line 0

Warning: session_start(): Session cannot be started after headers have already been sent in /home/admud64/mrleet.com/user/database_connection.php on line 5
smtp_enumeration used and required in Penetration Testing ~ MrLeet

Title: smtp_enumeration used and required in Penetration TestingAuthor: ajayverma
# SMTP Enumeration (Simple Mail Transfer Protocol)

```ShellSession
root@kali:~# nc -nv 192.168.1.12 25
(UNKNOWN) [192.168.1.12] 25 (smtp) open
220 WIN-3UR24XX66QZ Microsoft ESMTP MAIL Service, Version: 7.0.6001.18000 ready at Thu, 4 Jan 2018 11:48:35 +0200
```



Submitted On: 2019-06-25 12:38:40




Warning: PHP Startup: Invalid date.timezone value '', using 'UTC' instead in Unknown on line 0