fixed smtp_use_tls and smtp_alway_send parameter value overrides

start-munin.sh

@@ -4,8 +4,8 @@ SNMP_NODES=${SNMP_NODES:-}
 MUNIN_USER=${MUNIN_USER:-user}
 MUNIN_PASSWORD=${MUNIN_PASSWORD:-password}
 MAIL_CONF_PATH='/var/lib/munin/.mailrc'
-SMTP_USE_TLS=false
-SMTP_ALWAYS_SEND=true
+SMTP_USE_TLS=${SMTP_USE_TLS:-false}
+SMTP_ALWAYS_SEND=${SMTP_ALWAYS_SEND:-true}
 
 truncate -s 0 "${MAIL_CONF_PATH}"