Also updates the check to be more precise. I had originally copied the check method from the Morris worm Sendmail exploit: 220 simh Sendmail 5.51/5.17 ready at Wed, 18 Dec 85 11:14:07 PST Note that there was no "ESMTP" string in 1985's Sendmail.
Metasploit Developer Documentation
*(last updated December 1, 2014)
Metasploit is actively supported by a community of hundreds of contributors and thousands of users world-wide. As a result, the accompanying documentation moves quite quickly.
The best source of documentation on Metasploit development is https://github.com/rapid7/metasploit-framework/wiki. There are many treasures there, such as:
- Evading Antivirus
- How Payloads Work
- How to use Datastore Options
- How to write browser exploits with BES
- How to write a bruteforcer
...and many, many more.
API Documentation
If you are looking for API documentation, you may run rake yard to
generate a navigatable view of the comment documentation used throughout
Metasploit, or visit https://rapid7.github.io/metasploit-framework/api
for a recently generated online version.
Contributing
If you would like to contribute to the documentation effort, please see http://yardoc.org/ for details on how to write YARD-compatible comments, and send us a Pull Request with your contribution.