Publish your domain’s DMARC history to avoid phishing and spoofing. When you’re employing a shared IP account from a company like SendGrid, don’t set up DKIM and DMARC. It forces your mail streams to get “domain alignment” that can result in your emails to fail authentication and start bouncing. https://charlielsmqf.dailyblogzz.com/27240373/the-basic-principles-of-lead-generation