Publish your domain’s DMARC report to stop phishing and spoofing. For those who’re using a shared IP account from a company like SendGrid, don’t set up DKIM and DMARC. It forces your mail streams to have “area alignment” that might cause your emails to fail authentication and start bouncing. https://itsupport67787.blogprodesign.com/48642560/a-secret-weapon-for-ssl-certificate