Use an on-premises email server (Exchange Server or every other SMTP server) to relay mail When your product is struggling to fulfill the previous needs for connecting to Microsoft 365 or Office 365. At last, we reviewed some extra settings you may want to configure to Increase the performance within https://cloudflarednsserver12221.mybuzzblog.com/5623304/the-single-best-strategy-to-use-for-directadmin-migration