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This morning a bunch of users started having messages fail with “Send Later: This message will be sent in 1 minute” then “Failed to send. Message temporarily rejected by mail server.” 

Frontstatus implies everything’s OK; downdetector tells me GMail’s OK. I don’t know what the issue is or what to do about it.

Do you?

Regards,

Brian

Hi Brian,

Could you share the specifics of this issue with our support team → https://help.front.com/en/contact-us

Please share specific Front conversation or message IDs, and we can take a look into exactly what might be causing this.


I’ve done that, but haven’t heard anything in the last two hours or so. Was hoping the community knew of an outage or something. 


Wanted to circle back on this: we in fact had a custom SMTP server configured, and it was coughing up the 421s. 


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