You could troubleshoot “email rejected per DMARC plan” by putting together and enabling the DKIM authentication. The list of URIs for receivers to send out XML feedback to. Note: This is not a summary of email addresses, as DMARC demands a list of URIs of the form “mailto:tackle@case in point.org”. https://emailcampaign61615.losblogos.com/26639555/how-office365-can-save-you-time-stress-and-money