News

We are currently receiving reports that emails sent to Hotmail and Outlook addresses are not always being delivered successfully. We suspect that Microsoft has recently made changes to its incoming email authentication checks.

The error messages returned by Microsoft indicate that SPF, DKIM, and DMARC must be configured correctly for the sending domain.

We suspect that Microsoft's authentication checks may currently be a little too strict. Although we hope Microsoft will adjust these checks, it is always a good idea to configure these three email security settings correctly. Doing so improves the reliability and deliverability of your emails.

We therefore recommend checking your domain's email authentication settings. You can easily configure them yourself using our step-by-step guides:

• How do I configure DKIM?
• How do I configure SPF?
• How do I configure DMARC?

We are closely monitoring the situation and hope that email delivery to Microsoft addresses will return to normal soon.

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