Facebook sends me emails about new comments with the following footer:
If I reply to this email from my email associated with my Facebook account, I receive the following error:
How can I reply to a comment on Facebook by email?
Facebook has removed email functionality back in mid of 2014.
Might be they have forget to remove this Reply to this email to add a comment. from email notification. You can Report a Problem to Facebook or report it to the Notification team: https://www.facebook.com/help/contact/?id=236395803106201.
