+##############
+
#[letsencrypt renewal]
# run the letsencrypt certificate renewal process every 4 hours.
-37 */4 * * * letsencrypt renew &>>/tmp/letsencrypt_last_run.txt
+37 */4 * * * letsencrypt renew &>>/tmp/${CRONUSER}-cron-letsencrypt_renewal.log
+
+##############