Zoho email suddenly stopped working.
although got this sent to me
Reporting-MTA: dns; mx.zohomail.eu
Arrival-Date: Wed, 26 Aug 2026 12:48:05 +0100
Original-Recipient: rfc822;
Final-Recipient: rfc822;
Status: 421
Action: delayed
Last-Attempt-Date: 26 Aug 2026 12:33:51 GMT
Diagnostic-Code: Host not reachable.
Remote-MTA: dns; 76.223.67.189
any help, greatly appreciated