Certificate-based connector configuration: Make sure your on-premises email server is configured to work with a certificate to deliver email to Microsoft 365, along with the Frequent-Title (CN) or Subject matter Alternate Identify (SAN) while in the certificate includes a domain name that you've got registered in Microsoft 365, and you https://bookmarktiger.com/story17140090/5-easy-facts-about-mailwizz-support-described