10-27-2024 09:30 AM
2FA code emails being sent to an address hosted by a Google Workspace are bouncing, Google Workspace console reports the following error:
550-5.7.1 [209.85.220.69] Messages missing a valid Message-ID header are not 550-5.7.1 accepted. For more information, go to 550-5.7.1 https://support.google.com/mail/?p=RfcMessageNonCompliant and review 550 5.7.1 RFC 5322 specifications. 586e51a60fabf-290380d212bsor810780fac.15 - gsmtp
This appears to be a sending issue with meta, due to this issue I'm unable to setup a developer account.