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Emails lost or stuck in progress

keat63
Users complaining this morning that they've had no emails since 07:03. I can't see anything in the mailbox, or queue. But if i run a amil delivery report against one of the accounts, I see this. Event: inprogress https://xxxx.xxxxxxx.co.uk:2087/cPanel_magic_revision_0/cjt/images/icons/unknown.png
Sender User: myuser Sender Domain: mydomian.co.uk From Address: weborder@mydomian.co.uk Sender: weborder@mydomian.co.uk Sent Time: Mar 13, 2019, 9:01:09 AM Sender Host: www.mydomian.co.uk Sender IP: xxx.xxx.xxx.xxx Authentication: dovecot_login Recipient: unknown Delivered To: unknown Delivery User: unknown Delivery Domain: unknown Router: unknown Transport: unknown Out Time: Mar 13, 2019, 9:01:09 AM ID: 1h3zlX-0003wB-PC Delivery Host: Delivery IP: Size: 2.46 KB Result: In progress
any throughts as to what's going on ?

Comments

7 comments

Date Votes
  • keat63
    It seems that everything is stuck in progress. Restarted exim a few times, and now rebooting the server.
    0
  • keat63
    It looks like this was related to CSF MailScanner. We ran a mailchimp campaign which went out at 07:30am. In the space of 1.5 minutes, our server recieved 500 out of office replies, I can only assume that CSF Mailscanner was overwhelmed and possibly crashed.
    0
  • cPanelLauren
    Hi @keat63 This does happen occasionally with MailScanner, especially after updates. I hope all is working as expected now. Thanks!
    0
  • keat63
    As a matter of interest, could exim (on a standard dedicated server), deal with this sort of influx. 500 emails in 90 seconds. I'm aware that a number of factors will be down to resources and bandwidth etc.
    0
  • Infopro
    Easily, IMO. I've ran mailscanner & MSFE for many years and never has it crashed on me. If it did, there should be logs somewhere, and/or an email to root about it.
    0
  • keat63
    In a blind panic, (after retsrting exim didn't resolve the issue), I just rebooted the server. When I found the problem, there were about 150 emails awaiting processing. I've no idea if it started processing after the reboot, as my main goal was to get it back up as quickly as possible. So I disabled MSFE scanning and allowed the exim jobs to complete, then re-enabled MSFE scanning once caught up. It's been fine since.
    0
  • cPanelLauren
    Hi @keat63
    As a matter of interest, could exim (on a standard dedicated server), deal with this sort of influx. 500 emails in 90 seconds.

    Theoretically, it should go over fine, though it could cause a short spike in resource usage.
    Easily, IMO. I've ran mailscanner & MSFE for many years and never has it crashed on me. If it did, there should be logs somewhere, and/or an email to root about it.

    As an analyst I've seen a countless number of tickets regarding this behavior, while it may have never occurred with you it does happen. We have, internally a script that checks for its presence due to issues such as this. I'm glad you've not had any issues though. Thanks!
    0

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