Mailcow: Archive/Delete Old E-mails

sudo -i
cd /opt/mailcow-dockerized
docker compose exec dovecot-mailcow bash
cd /var/vmail/acmecorp.com/mailboxname/Maildir

# get count of items in inbox older than 30 days
find cur/ -type f | wc -l

# get count of items in inbox older than 30 days
find cur/ -type f -mtime +30 | wc -l

# move items in inbox older than 30 days to old folder (not visible in imap)
find cur/ -type f -mtime +30 -exec mv {} old/cur/ \;