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550 Error: "Message could not be sent to the following recipients" - Internic Cloud Email.

Updated November 22, 2022 18:17

If you have tried to send emails and had the following error, it is possible your domain's DNS has not yet been set up, or has recently been updated and the changes have not yet propagated.

Message could not be sent to the following recipients: ["example@example.com" <example@example.com>] (550 - 550 5.7.1 Sender rejected - OXSUS004_303 - https://postmaster-oxsus.vadesecure.com/outbound_error_codes/#_303

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