Is this a legitimate email from Facebook? : r/facebook

Someone is Messaging Facebook Pages Claiming They Have Violated Facebook's Content Policy - It Is A Scam - Joe Youngblood

Is this a legit email from Facebook? I don't trust anything but don't want to block the email address just incase : r/Scams

Security@FacebookMail: Is the Facebook Protect Email Legit?

security@facebookmail.com is it legitimate

Scam Warning: Facebook Intellectual Property Email

How to Protect Yourself from Facebook Phishing Emails

Just received this e-mail, is it legit? or a phishing scam? : r/facebook

How I could have spoofed you in Facebook!, by Roshan Thomas

WARNING: Do NOT open these emails from Apple or Facebook

Facebook fights a browser extension - by Casey Newton