Warning: could not send message for past 4 hours

From: MAILER-DAEMON@mx6.ipartners.pl
Domain: IP info mx6.ipartners.pl
MX-server: IP info mail.ticketnew.com
Size: 690 Bytes
Create: 2024-09-06
Update: 2024-09-13
Score: 0
Safe: Yes

********************************************** ** THIS IS A WARNING MESSAGE ONLY ** ** YOU DO NOT NEED TO RESEND YOUR MESSAGE ** ********************************************** The original message was received at Fri, 6 Sep 2024 09:31:40 +0200 from mail.ticketnew.com [49.50.81.243] ----- Transcript of session follows ----- ... while talking to localhost: >>> DATA ... Deferred: 452 4.2.2 Over quota SESSIONID= Warning: message still undelivered after 4 hours Will keep trying until message is 5 days old