Paid Memberships Pro has an email settings tab that lets you override the default From name and address on emails sent by WordPress. We kind of over-zealously apply these values to ALL WordPress emails and not just PMPro emails. Most users will want other emails (e.g. the password reset emails) to use the same settings. However, if you are using other plugins or bits of code to change the same settings, PMPro might override those plugins. For example if you are using Contact Form 7 and setting a from name and address there. This code here will disable PMPro’s default behavior and change things so only PMPro emails get updated to use the from email and name settings….