# exiqgrep > The `exiqgrep` utility is a Perl script offering possibilities to `grep` in the Exim queue output. > More information: . - Match the sender address using a case-insensitive search: `exiqgrep -f '<{{email@somedomain.com}}>'` - Match the sender address, and display message IDs only: `exiqgrep -i -f '<{{email@somedomain.com}}>'` - Match the recipient address: `exiqgrep -r '{{email@somedomain.com}}'` - Remove all messages matching the sender address from the queue: `exiqgrep -i -f '<{{email@somedomain.com}}>' | xargs exim -Mrm` - Test for bounced messages: `exiqgrep -f '^<>$'` - Display the count of bounced messages: `exiqgrep -c -f '^<>$'`