Do not use your own corporate domain for user generated content. Source: been there, done that ... there is no benefit to it and only pain. Have a separate pl

Do not use your own corporate domain for user generated content. Source: been there, done that ... there is no benefit to it and only pain. Have a separate plunk-emails.com domain that is used for all emails. Or even have a bunch set up and rotate through them. This will mitigate spam impact too -- you will get spam issues even with 100% legit users