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24 Ιαν 2024 · Email non-delivery reports in Exchange Online. Use Directory-Based Edge Blocking to reject messages sent to invalid recipients in Exchange Online. Learn how to fix email issues for error code 5.4.1 in Exchange Online (the destination email server doesn't accept email from the sender's domain).
5 Αυγ 2020 · Check if the recipient's domain has correct MX record, and if the recipient has correct Exchange Online license. Though the issue occurs in multiple organizations, based on the NDR, these are related troubleshooting suggestions for you.
18 Σεπ 2023 · Encountering the 550 5.4.1 recipient address rejected: access denied. as (201806281) error can be very annoying. It means that your email has hit a roadblock and couldn’t reach its destination. I’ll demystify this error and show you simple solutions to get your emails flowing smoothly once more.
Encountering the “550 5.4.1” error message signifies a failure in email delivery, akin to a postal service returning your letter due to an incorrect address. This specific error message is an indication from the recipient’s email server that the destination address was unreachable.
8 Αυγ 2023 · The message gets rejected because there's no valid object in Office 365 that matches the SMTP address of the recipient in Exchange Online. Note, DBEB is enabled when the domain is set to Authoritative .
26 Μαΐ 2021 · So when I checked the 5.4.1 error code in Email non-delivery reports in Exchange Online it suggests: "The mail server that's generating the error doesn't accept mail for the recipient's domain. This error is generally caused by mail server or DNS misconfiguration."
550 Relay Access Denied is often a catch-all response for when mail is rejected, commonly due to falling into a spam filter. Reasons could include actual spam detection (bulk mailing, or perhaps an overzealous spam filter setting), or a misconfiguration on your Google Apps domain settings where your domain's MX records don't match what IP the ...
