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    • Office 365 NDR Error Codes in Exchange Online - Easy365Manager
      • Status code: 530 5.7.57 This error occurs when the recipient's email domain is configured to reject email from anonymous users. To fix the issue, the recipient's email admin must either add the sender's email address or your domain to their allowed senders list or turn off the global setting that rejects anonymous senders.
      www.easy365manager.com/office-365-ndr-error-codes/

      Office 365 NDR Error Codes in Exchange Online - Easy365Manager

  2. learn.microsoft.com › en-us › exchangeFix NDR error 5.7.57 in Exchange Online - Exchange ...

    Aug 16, 2024 · Learn how to fix email issues for non-delivery report (NDR) error code 5.7.57 in Exchange Online (client was not authenticated to send anonymous mail during MAIL FROM).

  3. answers.microsoft.com › en-us › msofficeGetting this error 5.7.57 SMTP - Microsoft Community

    Oct 9, 2020 · However, If you are using SMTP AUTH client submission then based on error message your application/device does not supported to send email. In that case you can use Office 365 SMTP relay as a workaround.

  4. learn.microsoft.com › en-us › exchangeEmail non-delivery reports and SMTP errors in Exchange Online

    Oct 15, 2024 · For more information, see Fix email delivery issues for error code 451 5.7.500-699 (ASxxx) in Exchange Online. Verify that account issues have been resolved, and reset the account credentials. To restore this account's ability to send mail, contact Microsoft Support through your regular channel.

  5. learn.microsoft.com › en-us › exchangeFix NDR error 550 5.7.1 in Exchange Online - Exchange ...

    Jan 24, 2024 · Learn how to fix email issues for error code 5.7.1 (and also 5.7.0 to 5.7.999) in Exchange Online (the recipient is configured to reject email from the sender).

  6. www.easy365manager.com › office-365-ndr-error-codesOffice 365 NDR Error Codes in Exchange Online - Easy365Manager

    For details, see Fix email delivery issues for error code 451 5.7.500-699 (ASxxx) in Exchange Online. Verify that any account issues have been resolved, and reset its credentials. To restore this account’s ability to send mail, contact support through your regular channel.

  7. serverfault.com › questions › 1051932outlook - I'm getting "The server response was: 5.7.57 SMTP ...

    Feb 1, 2021 · Exception Message: Cannot send mails to mail server. (The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [SG2PR06CA0228.apcprd06.prod.outlook.com]).

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  9. support.microsoft.com › en-us › topicOffice 365 email delivery error 5.7.1 - Microsoft Support

    Office 365 email delivery error 5.7.1. You might see this error if: You don't have permission to send to the recipient. You don't have permission to send to the distribution group or subgroups. You don't have permission to send email through an email server that's between you and the recipient.

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