Monday, October 10, 2011

Office 365 IMAP and POP3 authentication

I was wondering how the authentication for IMAP and POP3 is working in a Office 365 federated scenaria with Dirsync and ADFS. Because the passwords never leave the on-premise Active Directory.
So in the Google world I need to install a PCNS service to grab all passwords on the next password change and sync the passwords over to Google Apps..
I think Microsoft is doing this in a smarter way. If you login via IMAP to O365 you need to type in username (MS Online ID) and password. Then O365 performs a logon to the ADFS server. Easy thing, great job, Microsoft!

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