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Management has indicated that achieving O365 Exchange campus independence is a high priority goal
This meeting is to discuss approaches to remove O365 dependencies on campus.
Can a cloud service receive an email first, do spam filtering and route to O365 or MTA?
Send report to management on whether there is an agreed approach to achieve this goal
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O365 has routing and authentication dependencies on resoruces loated on resources located on campus
Authentication Dependency Dependencies
- DNS, dependent on user location, campus (internal) DNS and external (public) DNS
- Directory Service (Campus LDAP, Microsoft Active Directory or Azure AD)
- AutoDiscover
Routing Dependencies
- DNS, dependent on user location, campus (internal) DNS and external (public) DNS
- MTA
Following options were discussed to alleviate authentication dependency
1) Use Option 2 - Synched identities in cloud with password hash.