Outlook | Web | Outlook.com | Email
Sending, receiving, and organizing email in Outlook.com
Hi Emily
Thanks for your interest.
After two days, everything is fixed.
Outlook email receiving failed
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Marcin Płotica
0
Reputation points
Outlook email does not receive emails from anyone
The return message is:
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
******@outlook.com
host outlook-com.olc.protection.outlook.com [52.101.8.35]
SMTP error from remote mail server after end of data:
550 5.7.515 Access denied, sending domain MY.DOMAIN.PL doesn't meet the required authentication level. The sender's domain in the 5322.From address doesn't meet the authentication requirements defined for the sender. To learn how to fix this see:
https://go.microsoft.com/fwlink/p/?linkid=2319303 Spf= Pass , Dkim= Fail , DMARC= Pass [PR3PR07MB6716.eurprd07.prod.outlook.com 2026-06-18T18:46:47.968Z 08DECC40809213AC] [DS1PR04CA0002.namprd04.prod.outlook.com 2026-06-18T18:46:48.044Z 08DECCF285CEAA7B][truncated]
Outlook | Web | Outlook.com | Email
3 answers
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Marcin Płotica 0 Reputation points
2026-06-19T06:40:50.8333333+00:00 -
EmilyS726 240.8K Reputation points Independent Advisor2026-06-19T14:14:56.76+00:00 Oh good, I am glad to hear it has been fixed.
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Marcin Płotica 0 Reputation points
2026-06-19T06:34:44.0466667+00:00 Hi EmilyThe problem is that the Outlook server refuses emails from every tested provider, even from Gmail.
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EmilyS726 240.8K Reputation points Independent Advisor
2026-06-18T21:14:46.51+00:00 Hello
The error message indicates that DKIM=fail.
The example domain you provided has DKIM configuration issues, hence they are rejected by Microsoft. Please let their support know, once corrected, their emails can be accepted typically within 24 hours. See Microsoft's announcement about SPF/DMARC/DKIM requirements here: https://techcommunity.microsoft.com/blog/microsoftdefenderforoffice365blog/strengthening-email-ecosystem-outlook%E2%80%99s-new-requirements-for-high%E2%80%90volume-senders/4399730