It's easier to simply google @example.com to find examples of email addresses from the business on the web. 90% of the time that gives you the standard of how t

It's easier to simply google @example.com to find examples of email addresses from the business on the web. 90% of the time that gives you the standard of how they construct the left side of the email address. If that doesn't work a few educated guesses will get you there.