And all messages coming from the internet to my cloud mailboxes or messages sent to the internet from my cloud mailboxes need to route through my on-premises servers. I want to use the filtering and compliance solutions that are already in my on-premises environment. Scenario 2 I'm migrating my mailboxes to Microsoft 365 or Office 365, and I want to keep some mailboxes on my organization's mail server (on-premises server). Microsoft 365 or Office 365 sends and receives all messages. I want to use Microsoft 365 or Office 365 as my spam filtering solution and would like to send my messages from my on-premises server to the internet via Microsoft 365 or Office 365. Scenario 1 I'm migrating my mailboxes to Microsoft 365 or Office 365, and I want to keep some mailboxes on my organization's mail server (on-premises server).
Each scenario has best practices to ensure that your mail flow continues uninterrupted. This change potentially affects your mail flow if you use any scenario in this section. This change will help prevent unauthorized parties from using your organization to send spam or malware through Microsoft 365 or Office 365. This means that if the sender or recipient domain of a message doesn't belong to your organization, Microsoft 365 or Office 365 will reject the message unless you have created a connector to allow this behavior. Manage mail flow with mailboxes in multiple locations (Microsoft 365 or Office 365 and on-prem) Important: In the near future, Microsoft 365 and Office 365 will reject email from unknown senders that are relayed from on-premises servers. However, the third-party service doesn't provide a spam filtering solution. My organization needs to send all email to a third-party service, such as archiving or auditing. Scenario 2 I plan to have Microsoft 365 or Office 365 host all my organization's mailboxes. All email sent from the internet must be filtered by this third-party cloud service. My organization uses (or plans to use) a third-party (mail services) cloud solution for filtering spam and malware.
Scenario 1 I plan to have Microsoft 365 or Office 365 host all of my organization's mailboxes.
Manage mail flow using a third-party cloud service with Microsoft 365 or Office 365 I want to use all filtering solutions offered by Microsoft 365 and Office 365. I have an existing email service but plan to move all the existing users' mailboxes to the cloud at once. Scenario 2 I'm a new Microsoft 365 or Office 365 customer. Scenario 1 I'm a new Microsoft 365 or Office 365 customer, and all my users' mailboxes are in Microsoft 365 or Office 365. Manage all mailboxes and mail flow using Microsoft 365 or Office 365 Microsoft 365 and Office 365 mail flow covers the following scenarios: Mail flow setup We especially recommend reading the part about SPF records because customers often list the wrong values in their SPF record, which can cause mail flow problems.
Flow top up how to#
That article provides a complete checklist for setting up Microsoft 365 or Office 365 services and programs, including how to set up your mail flow and email clients.įor information about how your email is protected with EOP, see Exchange Online Protection Overview.Īre you new to Microsoft 365 or Office 365 mail flow? Check out the External Domain Name System records for Microsoft 365 or Office 365 topic. If you're part of a small business or simply an organization that wants Microsoft 365 or Office 365 to manage all your mailboxes and mail flow, we recommend following the steps in Set up Microsoft 365 for business. Most organizations want Microsoft 365 or Office 365 to manage all their mailboxes and filtering, and some organizations need more complex mail flow setups to make sure that they comply with specific regulatory or business needs. The path email takes from the internet to a mailbox and vice versa is called mail flow. Microsoft 365 and Office 365 give you flexibility in determining the best arrangement for how email is delivered to your organization's mailboxes.
Try Set up Microsoft 365 for business or Deploy Office 365 Enterprise for your organization. Find out how, and get tips and best practices for setting up and managing your email. Use Microsoft Exchange Online and Microsoft 365 or Office 365 to manage mail flow.
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