Email enumeration and checking module

[judah-sotomayor]

Add a module that can enumerate the major email services.

Services:

• SMTP
  • Postfix
  • Sendmail
• POP3 + IMAP
  • Dovecot

Capabilities

• Static analysis of configuration files
• Service enumeration (running from where, started by what?)
• Firewall enumeration (Are the ports open? Are we receiving packets?)
• Service testing (Can I send and receive email? Can I log in?)

Resources

• https://doc.dovecot.org/main/core/admin/testing.html
• https://hackviser.com/tactics/pentesting/services/pop3
• https://www.postfix.org/local.8.html