[Unit]
Description=Copy TLS Certificates for Dovecot

[Service]
Type=oneshot
ExecStartPre=mkdir -p /etc/dovecot/certificates
ExecStart=/bin/bash -lc 'cp /etc/httpd/md/domains/*/*.pem /etc/dovecot/certificates/'
ExecStartPost=chown -R root:root /etc/dovecot/certificates

[Install]
WantedBy=dovecot.service