Publish your domain’s DMARC report to avoid phishing and spoofing. If you’re utilizing a shared IP account from a supplier like SendGrid, don’t setup DKIM and DMARC. It forces your mail streams to own “area alignment” that can cause your emails to fail authentication and begin bouncing. CompTIA certifications https://knoxpziot.shotblogs.com/5-simple-statements-about-email-marketing-explained-40681037