On 2014-12-26 12:39 pm, Robert G. (Doc) Savage wrote:
I'm using fail2ban with CentOS 6.6. Something is causing fail2ban's
alerts sent to root's mail to be rejected. Here's a clip from one of
the
error messages:
Message 48:
From MAILER-DAEMON@xxxxxxxxxxxxxxxxxx Sun Dec 21 03:09:20 2014
Return-Path: <MAILER-DAEMON@xxxxxxxxxxxxxxxxxx>
Date: Sun, 21 Dec 2014 03:09:19 -0600
From: Mail Delivery Subsystem
<MAILER-DAEMON@xxxxxxxxxxxxxxxxxx>
To: postmaster@xxxxxxxxxxxxxxxxxx
Content-Type: multipart/report; report-type=delivery-status;
boundary="sBL97EKS003880.1419152959/lion.protogeek.org"
Subject: Postmaster notify: see transcript for details
Auto-Submitted: auto-generated (postmaster-notification)
Status: R
Part 1:
The original message was received at Tue, 16 Dec 2014 03:09:17
-0600
from localhost
with id sBG97E83025627
----- The following addresses had permanent fatal errors
-----
<fail2ban@xxxxxxxxxxx>
----- Transcript of session follows -----
<fail2ban@xxxxxxxxxxx>... Deferred: Connection timed out with
example.com.
Message could not be delivered for 5 days
Message will be deleted from queue
..........
I used to get the messages that are now being deleted after five days.
Any suggestions?
I would suggest looking at the mailer daemon logs on both the sending
and receiving systems. It would appear that the sending system is having
difficulties at the receiving system end.
You will likely find the root of your issues in the log entries for that
message (or those messages) that occurred over the 5 days in question.
--
Mike Burger
http://www.bubbanfriends.org
"It's always suicide-mission this, save-the-planet that. No one ever
just stops by to say 'hi' anymore." --Colonel Jack O'Neill, SG1
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