I have a machine with 4.96 that is used, for email, only to send
cron messages to a local mailbox or possibly to a remote one.
Since a few weeks i often instead of receiveng the message i get in the
mailbox:
Date: Thu, 22 May 2025 13:31:17 +0200
From: Mail Delivery System <Mailer-Daemon@myhost.****.**>
To: leo@myhost.****.**
Subject: Mail delivery failed: returning message to sender
Parts/Attachments:
1 Shown 8 lines Text
2 Shown 110 bytes Message, "Delivery Status"
3 Shown 885 bytes Message, "Cron <leo@myhost> php
/home/leo/************"
3.1 Shown 7 lines Text
----------------------------------------
This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
leo@****
Unrouteable address
[ Part 2: "Delivery Status" ]
Reporting-MTA: dns; myhost.****.**
Action: failed
Final-Recipient: rfc822;leo@myhost
Status: 5.0.0
[ Part 3: "Included Message" ]
Date: Thu, 22 May 2025 13:31:02 +0200
From: Cron Daemon <root@myhost>
To: leo@myhost
Subject: Cron <leo@myhost> php /home/leo/*********
On the log of exim:
2025-05-22 13:31:02 1uI48c-00143V-1M <= leo@myhost U=leo P=local
S=832
2025-05-22 13:31:17 1uI48c-00143V-1M ** leo@myhost: Unrouteable address
2025-05-22 13:31:17 1uI48r-00143a-1c <= <> R=1uI48c-00143V-1M
U=Debian-exim P=local S=2047
2025-05-22 13:31:17 1uI48c-00143V-1M Completed
2025-05-22 13:31:22 1uI48r-00143a-1c => leo <leo@myhost>
R=local_user
T=mail_spool
2025-05-22 13:31:22 1uI48r-00143a-1c Completed
========
what could be the problem ?
the only known anomaly is that sometime the connection to DNS fail, but
that looks as a router or network problem [i notice it also from opther
machines connected to the same router], but in etc/hosts myhost and
myhost.***.** point to 127.0.0.1 so should work .
--
Leonardo Boselli
Firenze, Toscana, Europa
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