On 2023-02-25 19:15:14, Luke via mailop wrote: > I can assure you sendgrid retries 4xx. We also don't retry 4xx. We also > retry 5xx. We also don't retry 5xx. How is it 2023 and people still think > 4xx means retry and 5xx means don't retry? >
It's literally unexplainable if you've never read the part of the RFC with the word "retry" in the title: mail that cannot be transmitted immediately MUST be queued and periodically retried by the sender _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
