Hint:
450 4.1.2 <[email protected]>: Recipient address rejected: Domain not found
Very many .DE domains cannot be resolved, sometimes intermittently. If you can reach https://status.denic.de the status is: "The root cause of the disruption has not yet been fully identified. " -JP _______________________________________________ dns-operations mailing list [email protected] https://lists.dns-oarc.net/mailman/listinfo/dns-operations
