Publish your domain’s DMARC file to forestall phishing and spoofing. If you’re using a shared IP account from the supplier like SendGrid, don’t create DKIM and DMARC. It forces your mail streams to have “domain alignment” that can cause your emails to fail authentication and start bouncing. Email Classes https://itsupport04578.thenerdsblog.com/32234120/the-best-side-of-bulk-sms