-----Original Message-----
From: Mail Delivery Subsystem [mailto:MAILER-DAEMON]
Sent: 10 March 2020 19:01
Subject: Warning: could not send message for past 4 hours
**********************************************
** THIS IS A WARNING MESSAGE ONLY **
** YOU DO NOT NEED TO RESEND YOUR MESSAGE **
**********************************************
The original message was received at Tue, 10 Mar 2020 15:00:07 +0100
from localhost.localdomain [127.0.0.1]
----- Transcript of session follows -----
451 croit.io: Name server timeout
Warning: message still undelivered after 4 hours Will keep trying until
message is 5 days old
Show replies by date