How to remove the unverified sender message?

Ostensibly the Unverified Sender notification indicates that the message hasn't passed DMARC ... but emails I've sent to my MS365 account from both my Google and Proton accounts are getting flagged with this well. Surely you aren't suggesting that they, too, do not have DMARC, et al, properly configured?

This kind of misses the point ... the issue is we have no control over what email is allowed or not to be visible in our inbox thanks to Microsofts' control over this - there is an option to delete a message or only see some of it on a growing number of messages. Other messages come with an option to trust or not, and that approach works fine - I can decide if an organisation can be trusted or is genuine based on my past history with the compny in question.

The issue I have is with those that Microsoft have decided are dangerous and only provide me the 'option' to delete ...even when the email is 100% genuine. This is NOT appropriate, and as a small business owner who is 100% reliant on getting all emails from customers and suppliers, I have zero control over whether an organisation has bothered to sort their DMARC responsibilities or not.

I should be allowed, during this 'changeover' period while DMARC becomes more widely adopted, to decide whether to accept an email or not. I need the information in many emails that are being blocked, and as a result my company is losing out.

The fact that a huge amount of spam is STILL getting through and genuine emails are being blocked with no way of unblocking them (adding to safe sender etc does squat) suggests that currently this system is less than useful in its' present form.

But I am sure your reply may be helpful to someone who is looking to add DMARC to their own business.

The "unverified sender " tag is there to indicate that the email in question is not passing DMARC, an industry standard set up to prevent attackers spoofing domains to deliver phishing messages.

The DMARC organization explains the technology here dmarc.org – Domain Message Authentication Reporting & Conformance

More and more services will not accept email *unless* it passes DMARC, so there is a requirement by domain owners to publish records in accordance with their sending infrastructure in order to demonstrate that the sender is who they say they are (or authorized to send on their behalf)

To prevent the "unverified sender" tag from showing in Outlook, you can follow these steps:

Verify Email Authentication: Ensure that the sender's domain has proper email authentication methods set up, such as SPF, DKIM, and DMARC. These protocols help verify the sender's identity and ensure the email is not spoofed.

Configure Anti-Phishing Policies: In the anti-phishing policies in both EOP and Defender for Office 365, you can adjust the settings for unauthenticated sender indicators. This includes turning off the setting that adds a question mark to the sender's photo if the message doesn't pass SPF or DKIM checks.

Allow Spoofed Senders: You can manually allow the spoofed sender in the spoof intelligence insight or in the Tenant Allow/Block List. This will prevent the "via" tag from appearing in messages from the sender when unauthenticated sender identification is disabled.

This apparently only affects "New Outlook", Outlook on the Web, and will soon be on Outlook for iOS, Outlook for Android, and New Outlook for Mac Users. If you're using the New Outlook, switch back to the 'regular' Outlook. New Outlook is basically OWA for desktop and you're going to lose a lot of the features offered in the classic Outlook Client. New Outlook is free. That should tell you something right there.

With classic Outlook, you won't have this problem. Yet. I'm still trying to see how to turn off the banner in the New Outlook client from the Exchange Online/Defender configurations. A teammate was told by a Microsoft tech that there was no way to turn this off. I agree, it's total ****. Personal email users may need some reminders and this banner, but in a corporate environment, with a third-party service (Proofpoint) that adds its own banner, we don't need TWO banners on our messages.

Microsoft, cut the ****.

It appears that everyone has the same issue and I am not seeing any answers or fixes.

My question is, what other service is available? I hate paying the prices I am for my company and employees emails and having no control to disable this announce.

I know that it will be a pain to move everything over, but it will be a one time pain not an ongoing frustration.