Office 365 SMTP Relay: What KB2600912 Doesn't Tell You | MCB Systems
Scan-to-email 2 MB size limit for no apparent reason. Suspect it's related to SMTP settings. A Microsoft 365 mailbox is configured on MFP units for scan-to-email. : r/sysadmin
How to setup an SMTP Relay in Office 365 | Email scanned documents directly from printer - YouTube