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On-premise Active Directory Exchange Online After initial Dirsync UserPrincipalName homemdb/homeMT A/ msexchhomeserver nameproxyaddresses.

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Presentation on theme: "On-premise Active Directory Exchange Online After initial Dirsync UserPrincipalName homemdb/homeMT A/ msexchhomeserver nameproxyaddresses."— Presentation transcript:

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9 On-premise Active Directory Exchange Online After initial Dirsync UserPrincipalName homemdb/homeMT A/ msexchhomeserver nameproxyaddresses External A ddress(targetad dress) UserPrincipalName homemdb/homeMT A/ msexchhomeservern ameproxyaddresses External Address(ta rgetaddress) ompresent (Mailbox) m, others (Mail enabled User) m, others om mpresent (Mailbox) om (Mail enabled m After running Hybrid Configuration Wizard UserPrincipalName homemdb/homeMT A/ msexchhomeserver nameproxyaddresses External A ddress(targetad dress) UserPrincipalName homemdb/homeMT A/ msexchhomeservern ameproxyaddresses External Address(ta rgetaddress) ompresent (Mailbox) m, il.onmicrosoft.com, others (Mail enabled User) m, others om mpresent (Mailbox) onmicrosoft.com,others om (Mail enabled User) nmicrosoft.com,others m After moving Alex' mailbox to Exchange Online UserPrincipalName homemdb/homeMT A/ msexchhomeserver nameproxyaddresses External A ddress(targetad dress) UserPrincipalName homemdb/homeMT A/ msexchhomeservern ameproxyaddresses External Address(ta rgetaddress) om (Remot box/M ail-enabled User) m, il.onmicrosoft.com, others ontoso.mail.on microsoft.com (Mailbox) m, others mpresent (Mailbox) onmicrosoft.com,others om (Mail enabled User) nmicrosoft.com,others m 1) Kim sends to Alex. 2) Exchange on-prem receives message routed to: 3) Exchange on-prem reroutes the message to 4) Exchange on-prem finds a connector that has address space "contoso.mail.onmicrosoft.com" and sends it over to target server. 5) Exchange online receives message addressed to 6) ExO server finds recipient with a proxy address of and delivers into mailbox 6) Alex sees Kim's message and replies. (The mail from: address is always the capitalized SMTP address) 7) Kim receives message, and sees it comes from

10 10 On-Premises Organization External User Exchange Exchange Online Exchange Online Protection Internet Third Party Security System “David” On-premises Mailbox Secure Mail Encrypted & Authenticated Mail Flow MX resolves to on-premises gateway MX is switched to Exchange Online Protection Outbound Exchange Online traffic is delivered direct You can choose to route outbound on-premises mail via EOP

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12 12 Exchange Online Exchange Online Protection On-Premises Organization Exchange Third Party Security System External User Internet “David” On-premises Mailbox Secure Mail Encrypted & Authenticated Mail Flow MX resolves to on-premises gateway All in and out of the Exchange Online tenant must go via on- premises MX is switched to Exchange Online Protection

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