Delete postfix-script: warning: damaged message: corrupt
# postfix check postfix/postfix-script: warning: damaged message: corrupt/EDC75C244C20 postfix/postfix-script: warning: damaged message: corrupt/63380C2CC682 postfix/postfix-script: warning: damaged message: corrupt/AB9F7C2CC3AA postfix/postfix-script: warning: damaged message: corrupt/C76F3C2CC3B0 cd /var/spool/postfix/corrupt rm -rf * # postfix check # ALL OK! 😉