Publish your domain’s DMARC record to avoid phishing and spoofing. In case you’re using a shared IP account from the company like SendGrid, don’t arrange DKIM and DMARC. It forces your mail streams to obtain “area alignment” that may cause your emails to fall short authentication and begin bouncing. https://it-support32577.snack-blog.com/26701537/not-known-facts-about-mautic