Share this article

Improve this guide

How to Setup Auto Reply Mail Flow Rule in Office 365

Mail flow rules are used to implement specific messaging policies

2 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

Share this article

Improve this guide

Read our disclosure page to find out how can you help Windows Report sustain the editorial teamRead more

Key notes

Are you trying to set up mail flow rules for externalemailmessages in Office 365? They work in a similar way to theInboxrules that are currently available in Outlook.

You can use these mail flow rules to look for specific conditions on messages that pass through your organization. However, the main difference is that mail flow rules take action on messages while they’re still in transit, and never after a message is delivered to the mailbox.

Overall, the flexibility to implement many types of messaging policies is too good to refuse. All messages that flow through your organization could be evaluated against the enabled mail flow rules in your organization.

So, keep on reading the below steps and learn how to master them.

How can I set up mail flow rules in Office 365?

How can I set up mail flow rules in Office 365?

Mail flow rules can be easily set up via the Exchange Admin Center. From there, you can create a new rule to your liking by giving it a name and configuring its conditions and actions.

  1. Navigate toExchange Admin Centerand sign-in using your credentials.

  2. Go toMail flow >Rules.

  3. Now, click onCreate a new rule….

  4. You now have multiple options:

  5. In theNew rule dialog box, give a name to the rule.

  6. Then, select the conditions and actions for this rule:

  7. ClickMore optionsin the bottom left corner if you want to add more conditions or actions, or if you want to specify exceptions.

  8. Finally, clickSaveand you’re done.

Note: It can take up to 30 minutes and more for the new rule to be applied toemail.

To make sure that you have successfully created a new mail flow rule, run the following command onExchange OnlinePowerShell:Get-TransportRule “Mark messages from the Internet to Sales DG”.

With that said, here’s how you set up mail flow rules for externalemailmessages inOffice 365. If you still need our help, contact us anytime by using the comments area below.

More about the topics:email,Office 365

Madalina Dinita

Networking & Security Specialist

Madalina has been a Windows fan ever since she got her hands on her first Windows XP computer.

She is interested in all things technology, especially emerging technologies – AI and DNA computing in particular.

Prior to joining the WindowsReport team, she worked in the corporate world for a number of years.

User forum

0 messages

Sort by:LatestOldestMost Votes

Comment*

Name*

Email*

Commenting as.Not you?

Save information for future comments

Comment

Δ

Madalina Dinita

Networking & Security Specialist

Madalina is a Windows fan since forever, especially interested in AI, emerging technologies, privacy, and security.