- #New user email setup office 365 outlook settings for mac
- #New user email setup office 365 outlook settings android
- #New user email setup office 365 outlook settings plus
With the conditions in place, is the next step to add the warning that we want to display. View attachment Step 4 – Adding the external email warning The list below is based on the Regex list from SwiftOnSecurity that you can find here on GitHub. We need to add extra conditions, to do this you will need to click on More options… And we also want to add a filter to match the subject or body against a list of words. We only want to apply the rule when the email comes from an external source.
#New user email setup office 365 outlook settings plus
– Click on the plus and select Create a new Rule Step 2 – Give the rule a nameĮnter a name for the rule so you can easily recognize it later, for example, “external email warning” Step 3 – Configure Apply this rule if Step 1 – Create a new Mail Flow Rule in the Exchange Admin Center If you want to configure the external email warning for only a single-tenant, then it’s more convenient to use the Exchange Admin Center for this. Configure External Email Warning in Exchange Online At the end of the article, I also have a PowerShell script that you can use. We are first going to use the Office 365 Exchange Online Admin Center to configure the external email warning. I have also created a script that will show a warning then users receive an external email with the same display name as a user of your organization (Impersonation). You can use this method both in Exchange Online and Exchange On-Premise. To create the external email warning we are going to use Exchange Transport Rules. So we are not going to warn users for every single external email with this, only if the content or subject contains specific words or phrases. The custom warning allows us to warn users based on the content or subject of the email. It’s still a good idea to warn your users of malicious emails, even though we can now tag external emails in Exchange Online.
#New user email setup office 365 outlook settings android
#New user email setup office 365 outlook settings for mac
Outlook for Mac – Version 16.47 and higher.
Outlook for Window – rollout started may 2021.The external tag is supported in the following versions of Outlook: Microsoft recently launched a new feature in Exchange Online to help increase the user’s awareness by automatically tagging external emails. Features like SPF, DKIM, and DMARC already do a great job in preventing most phishing emails, but we all know that it’s still not enough.Įspecially spoofed emails, which seem to have been sent from a trusted source in your organization, are a great security risk. Enable External Email TagĮxternal email tagging is an extra security layer to help protect you against phishing emails. In this article, I will explain how you can enable the Exchange Online External Tag and create custom external email warnings in Office 365 and Outlook. It allows us to show a warning for phrases like, “keep your password”, or “update your password”
We can show the custom warning based on words in the subject or body, making it really versatile. The second option is to add a custom warning banner at the top of the email.
This will enable a built-in warning between the subject and body of the email when the email is sent from outside your organization. The first one is enabling the external email tag in Exchange Online. There are basically two options, which you should both implement. We can prevent that by adding an external email warning or tag external emails. Typically users find them also hard to recognize and click too often on the links in the emails. The phishing emails are getting better every year making it hard to block them up front. Phishing emails are one the biggest security threads at the moment.
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