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Do I need to add Outlook server details to my SPF & DKIM records?

Claire Smith 20 Reputation points
2024-02-22T09:37:44.0233333+00:00

Do I need to add Outlook server details to my SPF record in Bluehost for my domain-based email address (that was created in Bluehost but I use it in Outlook)? And a DKIM record for outlook servers too?

I have added a SPF Record and DKIM Record in Bluehost for Mailerlite servers (bulk email service) for my domain. But of course, I also use my domain-based email address (which was created in Bluehost) for individual emails sent from outlook (where I have added the email address as an email account).

Do I need to authenticate the emails coming from the outlook servers for my domain, or is that not necessary?

Hope I've made myself clear! lol...

Look forward to your advice.

Many thanks, Claire.

Outlook | Windows | Classic Outlook for Windows | For business
Exchange | Exchange Server | Management
Accepted answer
  1. ChristyZhang-MSFT 26,126 Reputation points Microsoft External Staff
    2024-02-23T09:09:59.94+00:00

    Hi @Claire Smith ,

    Glad to hear this issue has been resolved!

    Thanks for the sharing.

    However, due to a recent update in forum policy, the question author now is not able to accept their own answers.

    So I have written a brief summary of the solution this issue. Please feel free to accept it as the answer, which would benefit others who also has similar issues in forum.

    Issue:

    Do I need to add Outlook server details to my SPF record in Bluehost for my domain-based email address (that was created in Bluehost but I use it in Outlook)? And a DKIM record for outlook servers too?

    Solution:

    OP solved the issue:

    It is my understanding that when outlook send my domian-based email, outlook in fact, defer to the Bluehost servers, so I don't need to add the outlook SPF to my name records in Bluehost. I did the email deliverability test and found the DKIM signature wasn't recognised so I went back to Bluehost who corrected it and now my emails seem to get to gmail inboxes - hurrah!

    1 person found this answer helpful.
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  1. AH 5 Reputation points
    2024-02-22T11:05:47.0333333+00:00

    Hi, If you send mail via Micrsoft365 then the folowing code in SPF is enough

    include:spf.protection.outlook.com

    You can test it via sending a mail to the https://www.mail-tester.com/ page. If everything is fine you do not need any action on this.

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