Look for lines containing fatal , panic , or error immediately before the suspension notice. Common culprits include: Permissions issues on a socket (e.g., Dovecot LMTP).
# Make the script executable chmod +x /path/to/your/script.sh Look for lines containing fatal , panic ,
postconf -n | grep transport_maps
If the error appeared after an update (the “upd” clue): Look for lines containing fatal
: Use mailq or postqueue -p to see the status of stuck messages. If you’ve fixed the error, you can try to force delivery with postqueue -f . Look for lines containing fatal , panic ,