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Some incoming emails lost: trying to understand exim logs

bluecup
I am having some issues where some emails from a website are delivered and some go missing. I was looking at the exim logs and trying to understand the lines. I have added my comments below each line. Feel free to correct me if my understanding is wrong. 2014-05-29 09:22:03 1Tpg3O-0004Nz-0t <= nast@servername.domain1.com U=nast P=local S=2901 T="Contact Form" for myemail@hotmail.com [LIST]
  • Basically in the website form, the form is configured to be sent to the admin email of a website (admin@domain2.com) which is being hosted by a company domain1.com. I don't know what this address is: nast@servername.domain1.com. "nast" is the username of domain2.com. Some emails are received in admin@domain2.com while some get lost. I'm trying to find out what's happening. 2014-05-29 09:22:03 cwd=/var/spool/exim 3 args: /usr/sbin/exim -Mc 1Tpg3O-0004Nz-0t [LIST]
  • I guess this is just a mail spool if I am correct. Probably nothing wrong here. 2014-05-29 09:22:03 1Tpg3O-0004Nz-0t SMTP connection outbound 1401288126 1Tpg3O-0004Nz-0t domain2.com sender@hotmail.com [LIST]
  • Why is domain2.com added in this line? 2014-05-29 09:22:04 1Tpg3O-0004Nz-0t => sender@hotmail.com R=lookuphost T=remote_smtp H=mx3.hotmail.com [207.46.8.167] C="250 Queued mail for delivery" 2014-05-29 09:22:04 1Tpg3O-0004Nz-0t Completed [LIST]
  • This looks like an outbound email where it is sending a confirmation notification to the sender: sender@hotmail.com. This seems fine to me.

    • Comments

    3 comments

    Date Votes
    • cPanelMichael
      Hello :) You mentioned that some emails go missing. Are the missing emails the ones you see in /var/log/exim_mainlog? Is it possible the messages were sent out and have simply been added to the SPAM folder in Hotmail? Thank you.
      0
    • bluecup
      [quote="cPanelMichael, post: 1654702"> You mentioned that some emails go missing. Are the missing emails the ones you see in /var/log/exim_mainlog? Is it possible the messages were sent out and have simply been added to the SPAM folder in Hotmail?
      Thanks for your reply. There has been a typo in my message. myemail@hotmail.com should read as sender@hotmail.com. I couldn't edit the original post. The emails that go missing are the incoming emails that are supposed to be received in admin@domain2.com. Hotmail email is the sender's email. Sender is receiving emails fine. I am finding is hard to understand the first line of the exim logs. Please see my comments for the first line of the log.
      0
    • cPanelMichael
      Search for the email address that sent you the message with commands such as: exigrep sender@hotmail /var/log/exim_mainlog exigrep sender@hotmail /var/log/exim_rejectlog
      This will help organize the log output and should let you know why your server rejected the message if that indeed happened. Thank you.
      0

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