http://blog.mailgun.com/open-sourcing-our-email-signature-parsing-library/ http://blog.mailgun.com/open-sourcing-our-email-signature-pa... (https://news.ycombin

http://blog.mailgun.com/open-sourcing-our-email-signature-parsing-library/ http://blog.mailgun.com/open-sourcing-our-email-signature-pa... (https://news.ycombinator.com/item?id=8081532 https://news.ycombinator.com/item?id=8081532) has some screenshots with blurred email addresses you can read without fancy deciphering.