How to fix Microsoft Exchange 365 emails bouncing yahoo and gmail emails

How to fix Microsoft Exchange 365 emails bouncing yahoo and gmail emails

Google and Yahoo have revealed plans to introduce new email authentication standards for all email senders starting February 2024. The aim is to enhance deliverability and combat spam by preventing fraudulent messages like scams and phishing attempts. Under these changes, emails sent from unauthenticated addresses won’t land in recipients’ inboxes.

Basically, if you are emailing anyone with a yahoo.com or gmail.com email address, you might find the email bounced back. This is important to know if you are using a Microsoft 365 Exchange account. I have no details yet on other email hosts that only support IMAP or POP. I’m guessing those companies will follow along in time.

Many of my clients still use their yahoo, hotmail or AOL for business, and many with Microsoft 365 Exchange still email their clients who are using yahoo.com or any of the variants (AOL, Verizon, sbcglobal.net, Pacbell.com, etc)

AOL, Yahoo. Verizon, sbcglobal.net, pacificbell.com, pacbell.com, all of these will have issues at some point. These are not business email accounts and are and have been always “personal email” in the eyes of the internet, therefore they need to be validated for you to email them.

How to resolve: 

You can update this record in your DNS: (This may or may not work but it’s worth a try before hiring help to get this done)

TXT

_dmarc or _dmarc.yourdomain.com

Value:

v=DMARC1; p=none;

OR this is now working better

v=DMARC1; p=quarantine; pct=100; rua=mailto:jane@coolexample.com; ruf=mailto:jane@coolexample.com

Replace the coolexample with another email, this email might get some alerts. 

If you need my help, fill out the form below or schedule an appt. Take note these updates can take a bit of time and sometimes a few efforts, things have changed in the past couple of days with the DMARC/Yahoo records.