Rules to Better Exchange Server

• Do you use SPF, DKIM and DMARC for email security?
• Do you add a redirect from http to https for OWA?
• Do you monitor company email?
• Microsoft 365 groups – Do you receive a copy of your own email into your inbox?
• Do you turn off auto-update on your servers?
• Do you turn off auto update on your servers?
• Do you change message size restrictions in Exchange Online?