Backup Mail Exchanger how long is mail kept in queue?

Erik Ellsinger

• March 22, 2016 13:50

When I'm using a cPanel account as a backup mail exchanger the mail for my domain should be stored in the queue of my backup mail exchanger until the primary server is online again. And that works fine but for how long is the emails stored in the queue as standard? For how long will the server try to deliver the mail until it gives up? And can I control for how long the emails will be stored?

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  cPanelMichael

  • March 22, 2016 18:56

  And that works fine but for how long is the emails stored in the queue as standard? For how long will the server try to deliver the mail until it gives up? And can I control for how long the emails will be stored?

  
  Hello :) The default Exim retry configuration is found in the /etc/exim.conf file:
  ###################################################################### # RETRY CONFIGURATION # ###################################################################### # This single retry rule applies to all domains and all errors. It specifies # retries every 15 minutes for 2 hours, then increasing retry intervals, # starting at 1 hour and increasing each time by a factor of 1.5, up to 16 # hours, then retries every 8 hours until 4 days have passed since the first # failed delivery. # Domain Error Retries # ------ ----- ------- begin retry * quota * * F,2h,15m; G,16h,1h,1.5; F,4d,8h
  You can browse to "WHM >> Service Configuration >> Exim Configuration Manager >> Advanced Editor" and search for "Section: RETRYBLOCK" to modify these rules. Thank you.

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  Erik Ellsinger

  • March 24, 2016 10:58

  This is the retry configuration I have: F,2h,15m; G,16h,1h,1.5; F,4d,8h From what I can see in exim_mainlog the server tries to deliver the email once every five mintues for an hour, after an hour the email bounces with this message: Too many "Received" headers - suspected mail loop Do you know of any reason for why it would do that after such a short amount of time?

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  cPanelMichael

  • March 24, 2016 17:31

  From what I can see in exim_mainlog the server tries to deliver the email once every five mintues for an hour, after an hour the email bounces with this message:

  
  Could you provide an example of this from /var/log/exim_mainlog ensuring you remove any identifying information? Thank you.

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