Cobweb Solutions Ltd - Status Page

Microsoft 365 experiencing degraded performance

Issues sending emails to @ live.com/.co.uk, hotmail.com/.co.uk, msn.com/.co.uk and outlook.com domains
MonitoringDegraded performance
  • MonitoringUTC


    Microsoft has confirmed that recent email rejections/bounce backs when sending to @ live.com/.co.uk, hotmail.com/.co.uk, msn.com/.co.uk and outlook.com email addresses were caused by a faulty spam enforcement update.

    This should now be resolved after Microsoft rolled back the problematic update (impacting the Microsoft owned domains listed above).

    New emails sent to these domains should now be successfully delivered to your intended recipients. However, these may now be delivered to the recipients Junk Email folder.

    Please email support@cobweb.com if you are still experiencing rejections/bounce backs when sending emails to @ live.com/.co.uk, hotmail.com/.co.uk, msn.com/.co.uk and outlook.com domains.

  • InvestigatingUTC


    It would appear Microsoft have increased their security requirements for the following domains: live.com/.co.uk, hotmail.com/.co.uk and outlook.com

    As a result you may experience issues when sending emails to these domains.


    To resolve this you may require additional DNS records to be configured on your own (email) domain in the form of "DKIM" and "DMARC" records, which up to this point have been optional security features.

    If we host your domain, we will be able to create a 'temporary' admin account to access the security portal to generate and configure the required DNS records for your domain.

    If your domain is hosted elsewhere, we can use a 'temporary' admin account to initially generate the required DNS records. We can then provide these for you to pass along to your domain host to configure.

    Once the DNS records have been added, the next step will be to apply DKIM signing on your domain and DMARC for additional verification, which should resolve the issue moving forward.

    Please email support@cobweb.com if you are experiencing issues sending emails to @ live.com/.co.uk, hotmail.com/.co.uk and outlook.com

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