On 05.05.2025 17:00 Uhr Joseph Park wrote: > There was a problem delivering your message to > *[email protected]*. The response from the remote server was: > > 450 4.1.1 : Recipient address rejected: User unknown in virtual > mailbox table
That is rather bad. 4xx means temporary error, so the MTA will try again and again and give up after 5 days. The problem here is permanent. Contact [email protected] -- kind regards Marco Send spam to [email protected]
