Here is a script I’ve coded that may be helpful for you guys.
This script looks for e-mails in the HTML of a given website.
If it doesn’t find anything, it clicks on the first <a> tag element with “contact” in its HREF and looks for an e-mail on this new page.
You can add multiple websites using a .CSV file.
Source code + tutorial: https://github.com/dpw1/KantuScripts/tree/master/Email%20Scraper
Let me know if you have any suggestions to improve it!