[stunnel-announce] cannot create pid

Hello list I have stunnel 4.7 When I run in stunnel.log is error ######## Cannot create pid file /var/run/stunnel.pid ############# The directory /var/run is ok example ####### prueba:/usr/local/etc/stunnel # ls -l /var/run total 37 drwxr-xr-x 7 root root 536 Jan 25 12:03 . drwxr-xr-x 13 root root 336 Sep 8 15:19 .. srw-rw-rw- 1 root root 0 Jan 25 12:03 .resmgr_socket ##### My stunnel.conf is #client = no

# # chroot + user (comment out to disable) # chroot = /var/lib/stunnel/ setuid = stunnel setgid = nogroup pid = /var/run/stunnel.pid cert = /usr/local/etc/stunnel/stunnel.pem [ssmtp] accept = 465 connect = 25 #### Please, help me. Best Regards Morell