Defaults:postfix !syslog
postfix ALL=NOPASSWD:/usr/lib/dovecot/deliver
Defaults:clamav !syslog
clamav ALL=NOPASSWD:/usr/lib/dovecot/deliver
Defaults:dovecot !syslog
dovecot ALL=NOPASSWD:/usr/lib/dovecot/deliver
Defaults:dspam !syslog
dspam ALL=NOPASSWD:/usr/lib/dovecot/deliver
Defaults:vmail !syslog
vmail ALL=NOPASSWD:/usr/lib/dovecot/deliver