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root emailing an account but can't figure out what or why.

keat63
I have all root emails from my server being sent to myemail@mydomain.com On the same server I have an email account which is used for sending automated customer invoices, lets call this invoicing@mydomain.com This email has an auto responder saying words along the lines "This is an unmanned mailbox, please cal us" About twice per day, i receive one of these auto responses in myemail@mydomain.com, but for the life of me can't figure out why. I can only assume that root is sending an email to invoicing@mydomain.com, which in turn is replying. The odd thing is, I've even created a newinvoicing@mydomain.com and it still does it.
Return-path: Envelope-to: Mailer-Daemon@host.servername.com Delivery-date: Wed, 25 Feb 2015 18:44:06 +0000 Received: from user-account by host.servername.com with local (Exim 4.84) (envelope-from ) id 1YQgwI-0007Kb-Jj for Mailer-Daemon@host.servername.com; Wed, 25 Feb 2015 18:44:06 +0000 To: Mail Delivery System X-Autorespond: Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours MIME-Version: 1.0 X-Loop: Mail Delivery System Precedence: auto_reply X-Precedence: auto_reply From: "mail delivery system " Content-type: text/plain; charset=utf-8 Subject: re: Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours Message-Id: Date: Wed, 25 Feb 2015 18:44:06 +0000
Your email has reached an automated, non monitored mailbox, and will go unread. If you need to contact us, or would like to change the way we communicate with you, please call us on XXX XXX XXXXX I searched the logs for 1YQGZZ-0007aZ-K6, and it's a deferred email (customer invoice) sent from auto.invoice@mydomain.com. And I can see that 1YQgwI-0007Kb-Jj is a message sent to root from auto.invoice@mydomain.com, but why ?

Comments

9 comments

Date Votes
  • postcd
    Isnt your hosted php script set to send an email to non existing address? im just guessing, im noob.
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  • keat63
    It's not a PHP script, its an application running on a PC in the office. Basically works just like an email client, which has a valid to and from address. Its seems the auto.invoice address is replying to root, but i can't see root sending anything, so i'm confused why it's replying.
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  • cPanelMichael
    Hello :) What's the output when you search for "auto.invoice" in /var/log/exim_mainlog? EX:
    exigrep auto.invoice /var/log/exim_mainlog
    Thank you.
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  • keat63
    Unfortunately, auto.invoice is sending a very large number of legitimate emails, so the logs will be huge. However, i found this around the time. I believe this might be auto.invoice emailing root.
    2015-02-25 18:44:06 cwd=/home/user-acc 3 args: /usr/sbin/sendmail -fauto.invoice@mydomain.com -t 2015-02-25 18:44:06 1YQgwH-0007KR-VJ <= <> R=1YQGZZ-0007aZ-K6 U=mailnull P=local S=1133 T="Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours" for auto.invoice@mydomain.com 2015-02-25 18:44:06 1YQgwH-0007KR-VJ => auto.invoice R=virtual_user T=virtual_userdelivery 2015-02-25 18:44:06 1YQgwH-0007KR-VJ => |/usr/local/cpanel/bin/autorespond auto.invoice@mydomain.com /home/user-acc/.autorespond (auto.invoice@mydomain.com) R=virtual_aliases_nostar T=jailed_virtual_address_pipe 2015-02-25 18:44:06 1YQgwH-0007KR-VJ Completed 2015-02-25 18:44:06 1YQgwI-0007Kb-Jj <= auto.invoice@mydomain.com U=user-acc P=local S=1016 T="re: Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours" for Mailer-Daemon@host.myserver.co.uk 2015-02-25 18:44:07 1YQgwI-0007Kb-Jj => server (root@host.myserver.co.uk, postmaster@host.myserver.co.uk) R=virtual_user T=virtual_userdelivery 2015-02-25 18:44:07 1YQgwI-0007Kb-Jj Completed
    And here is the K6 going out.
    2015-02-24 14:34:54 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1YQGZZ-0007aZ-K6 2015-02-25 18:44:05 cwd=/var/spool/exim 7 args: /usr/sbin/exim -t -oem -oi -f <> -E1YQGZZ-0007aZ-K6 2015-02-25 18:44:06 1YQgwH-0007KR-VJ <= <> R=1YQGZZ-0007aZ-K6 U=mailnull P=local S=1133 T="Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours" for auto.invoice@mydomain.co.uk 2015-02-25 18:44:06 1YQgwH-0007KR-VJ => auto.invoice R=virtual_user T=virtual_userdelivery 2015-02-25 18:44:06 1YQgwH-0007KR-VJ => |/usr/local/cpanel/bin/autorespond auto.invoice@mydomain.co.uk /home/user-acc/.autorespond (auto.invoice@mydomain.co.uk) R=virtual_aliases_nostar T=jailed_virtual_address_pipe 2015-02-25 18:44:06 1YQgwH-0007KR-VJ Completed 2015-02-25 18:44:06 1YQgwI-0007Kb-Jj <= auto.invoice@mydomain.co.uk U=user-acc P=local S=1016 T="re: Warning: message 1YQGZZ-0007aZ-K6 delayed 24 hours" for Mailer-Daemon@host.servername.co.uk 2015-02-25 18:44:07 1YQgwI-0007Kb-Jj => server (root@host.servername.co.uk, postmaster@host.servername.co.uk) R=virtual_user T=virtual_userdelivery 2015-02-25 18:44:07 1YQgwI-0007Kb-Jj Completed +++ 1YQGZZ-0007aZ-K6 has not completed +++ 2015-02-24 14:34:54 1YQGZZ-0007aZ-K6 H=host81-134-17-175.in-addr.btopenworld.com (PRINTMACHINEPC) [xx.xxx.xx.xxx]:55231 Warning: Message has been scanned: no virus or other harmful content was found 2015-02-24 14:34:54 1YQGZZ-0007aZ-K6 <= auto.invoice@mydomain.co.uk H=hostxx-xxx-xx-xxx.in-addr.btopenworld.com (PRINTMACHINEPC) [xx.xxx.xx.xxx]:55231 P=esmtpa A=dovecot_login:auto.invoice@mydomain.co.uk S=225290 id=BFA8A45A0A014D0AB0ADFDD202BC929C@user-acc.local for caroline@customer.co.uk 2015-02-24 14:34:54 1YQGZZ-0007aZ-K6 SMTP connection outbound 1424788494 1YQGZZ-0007aZ-K6 mydomain.co.uk caroline@customer.co.uk 2015-02-24 14:35:57 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 14:35:57 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-24 15:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 15:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-24 16:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 16:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-24 17:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 17:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-24 19:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 19:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-24 21:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-24 21:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-25 00:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-25 00:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-25 04:00:02 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-25 04:00:02 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-25 09:44:08 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-25 09:44:08 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-25 18:44:05 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-25 18:44:05 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-26 03:44:07 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-26 03:44:07 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out 2015-02-26 12:44:07 1YQGZZ-0007aZ-K6 customer.co.uk [69.172.201.208] Connection timed out 2015-02-26 12:44:07 1YQGZZ-0007aZ-K6 == caroline@customer.co.uk R=dkim_lookuphost T=dkim_remote_smtp defer (110): Connection timed out
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  • cPanelMichael
    Should the "auto.invoice@mydomain" email address receive any email? If not, then you could setup an email filter that fails with a specific bounce message (e.g. not a valid address, call number) instead of using an autoresponder. Thank you.
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  • keat63
    Being a new application bolted to our antiquated invoicing system, there are a number of typo's and mis formed email addresses, so i sort of rely on the mailbox to capture any bounces. The bounces give me more information as to who the customer was, so really need the it to be honest.
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  • cPanelMichael
    ] About twice per day, i receive one of these auto responses in myemail@mydomain.com, but for the life of me can't figure out why.

    You may just want to setup a filter to move these specific messages to another email folder for your review. Thank you.
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  • kdean
    You originally asked why root was receiving an email and I don't think I've seen anyone explain. From the contents of your first post this what looks to be happening. auto.invoice@mydomain.com is sending an email to an address that your mail server is having problems delivering to, causing a delay. Your Mailer-Daemon@host.servername.com is sending a "delayed 24 hours" email notification to auto.invoice@mydomain.com which in turns triggers it's auto-reply to respond to Mailer-Daemon@host.servername.com which in turn delivers that response to root. This is why root is receiving an email as far as I could see. Seems that cPanel should add a feature so that mail accounts don't auto respond to local Mailer-Daemon emails.
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  • keat63
    KDean. That makes perfect sense.
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