High number of bounces on French Oulook emails

Adam Flores 1 Reputation point
2022-06-25T21:34:05.573+00:00

Good morning,

Our systems have been receiving an unusual number of bounces from French Outlook addresses (which includes also hotmail.com, hotmail.fr). It seems to only affect the french domains such as hotmail.fr and outlook.fr.

I was wondering if you could point me in the right direction in order to fix this problem that is causing significant difficulties for our team.

Thank you
Here's the source code:

X-CreatedBy: MessageSnapshot-Begin injected headers
X-MessageSnapshot-UTC-Time: 2010-07-12T06:38:36.291Z
X-MessageSnapshot-Record-Id: 3266
X-MessageSnapshot-Source: OnRoutedMessage,Journaling Agent
X-Sender: team@floristnetwork.fr
X-Receiver: a.flores@harsh.com .fr
https://www.franceflowerdelivery.fr/
X-EndOfInjectedXHeaders: MessageSnapshot-End injected headers
Received: from CAPS-PER-EX1.outlook.fr ([127.0.0.1]) by caps-per-ex1
([127.0.0.1]) with mapi; Mon, 12 Jul 2010 14:38:35 +0800

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  1. risolis 8,701 Reputation points
    2022-06-25T21:57:44.683+00:00

    Hello @Adam Flores

    Thank you for your post.

    Here are my 2 cents for this case scenario as the one stated by you.

    https://www.activecampaign.com/blog/email-bounce

    Looking forward to your feedback,

    Best Regards,

    Please "Accept the answer" if the information helped you. This will help us and others in the community as well.

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  2. Dave Patrick 426.1K Reputation points MVP
    2022-06-25T22:25:04.363+00:00

    The product group for Outlook.com actively monitors questions in dedicated forums here.
    https://answers.microsoft.com/en-us/outlook_com/forum/oemail

    --please don't forget to upvote and Accept as answer if the reply is helpful--

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