Exim Command set

1. How to remove How to remove all mails from exim queue?
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rm -rf /var/spool/exim/input/*

2. Deleting Frozen Mails:
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To remove all frozen mails from the exim queue, use the following command -
exim -bpr | grep frozen | awk {'print $3'} | xargs exim -Mrm
exiqgrep -z -i | xargs exim -Mrm

3. If you want to only delete frozen messages older than a day:
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exiqgrep -zi -o 86400 | xargs exim -Mrm
where you can change 86400 depending on the time frame you want to keep.( 1 day = 86400 seconds. ).

4. To forcefully deliver mails in queue, use the following exim command:
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exim -bpru |awk '{print $3}' | xargs -n 1 -P 40 exim -v -M

To flush the mail queue:
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exim -qff
/usr/sbin/exim -qff

To clear spam mails from Exim Queue:
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grep -R -l [SPAM] /var/spool/exim/msglog/*|cut -b26-|xargs exim -Mrm

To clear frozen mails from Exim Queue.
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grep -R -l '*** Frozen' /var/spool/exim/msglog/*|cut -b26-|xargs exim -Mrm


To clear mails from Exim Queue for which recipient cannot not be verified.
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grep -R -l 'The recipient cannot be verified' /var/spool/exim/msglog/*|cut -b26-|xargs exim -Mrm

To find exim queue details. It will show ( Count Volume Oldest Newest Domain ) details.
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exim -bp |exiqsumm


How to remove root mails from exim queue ?
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When mail queue is high due to root mails, and you only need to remove the root mails and not any other valid mails.

exim -bp |grep ""|awk '{print $3}'|xargs exim -Mrm

Replace "HOSTNAME" with server hostname


How to remove nobody mails from exim queue ?
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When you need to clear nobody mails, you can use the following command.

exiqgrep -i -f nobody@HOSTNAME | xargs exim -Mrm (Use -f to search the queue for messages from a specific sender)
exiqgrep -i -r nobody@HOSTNAME | xargs exim -Mrm (Use -r to search the queue for messages for a specific recipient/domain)

Replace "HOSTNAME" with server hostname

Run a pretend SMTP transaction from the command line, as if it were coming from the given IP address. This will display Exim's checks, ACLs, and filters as they are applied. The message will NOT actually be delivered.
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# exim -bh