Undelivered Mail Returned to Sender

This is the mail system at host postfix-catchall-postfix-catchall-chart-85bbf6b8d-zbsqt.localdomain.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The mail system

: delivery temporarily suspended: Host or domain name not
found. Name service error for name=yahoo.com type=MX: Host not found, try
again

Reporting-MTA: dns; postfix-catchall-postfix-catchall-chart-85bbf6b8d-zbsqt.localdomain
X-Postfix-Queue-ID: B52E6B25C99
X-Postfix-Sender: rfc822; ases@withoutemail.com
Arrival-Date: Sat, 29 Aug 2026 16:45:54 +0000 (UTC)

Final-Recipient: rfc822; segver821@yahoo.com
Original-Recipient: rfc822;segver821@yahoo.com
Action: failed
Status: 4.4.3
Diagnostic-Code: X-Postfix; delivery temporarily suspended: Host or domain name
not found. Name service error for name=yahoo.com type=MX: Host not found,
try again