Adding these steps
step 6. ======= check if we have still them message stored, ok as expected [@ testtest]# grep 45765765870 /home/popusers/testtest/mdbox/storage/* /home/popusers/testtest/mdbox/storage/m.893:Subject: New file uploaded 45765765870 step 7. ======= purge mailbox with [@ testtest]# doveadm -v purge -u testtest step 8. ======= check if we have still them message stored, no, ok as expected [@ testtest]# grep 45765765870 /home/popusers/testtest/mdbox/storage/* [@ testtest]#