[CentOS] Cron sending to root after changing MAILTO

Wed Jul 19 22:03:30 UTC 2017
Chad Cordero <ccordero at csusb.edu>

Here is the last one I got.  As you can see it was send to root at csusb.edu, a restricted distribution group, not obeying /etc/aliases or MAILTO definition in crontab.


Message Trace:


Cron <root at mailcampaign1> run-parts /etc/cron.hourly
Sender:root at csusb.edu
Recipient:root at csusb.edu


ReceivedProcessedNot delivered

StatusThe message was sent to the following group, which doesn't allow messages from external senders:

Group: root at csusb.edu 
How to fix itTo accept messages from external senders, you can change the delivery management setting for this group.
Go to Groups.
Double-click the group name.
Click Delivery management, and choose Senders inside and outside my organization.
Choose Save.

Message Events



7/19/2017 8:15:56 PMReceiveMessage received by: CY1PR08MB1829


7/19/2017 8:15:56 PMFailReason: [{LED=550 5.7.133 RESOLVER.RST.SenderNotAuthenticatedForGroup; authentication required; Delivery restriction check failed because the sender was not authenticated when sending to this group};{MSG=};{FQDN=};{IP=};{LRT=}]


7/19/2017 8:15:56 PMSpam Diagnostics


Additional Properties

Message ID:<20170719201555.A5077100E776C at mailcampaign1.csusb.edu>
Message size:12 KB
>From IP:
To IP:



Chad Cordero
Information Technology Consultant

Enterprise & Cloud Services

Information Technology Services

California State University, San Bernardino
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San Bernardino, CA 92407-2393
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From: CentOS <centos-bounces at centos.org> on behalf of Alexander Dalloz <ad+lists at uni-x.org>
Reply-To: CentOS mailing list <centos at centos.org>
Date: Wednesday, July 19, 2017 at 2:49 PM
To: "centos at centos.org" <centos at centos.org>
Subject: Re: [CentOS] Cron sending to root after changing MAILTO


Am 19.07.2017 um 23:42 schrieb Chad Cordero:

I have “root:ecssupport at csusb.edu” in my /etc/aliases file already.


Chad Cordero


Then please provide log information about the mails to root being 

relayed to your Exchange host.





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