Restart daemon after email config changes

src/freedombone-utils-web

 function email_install_tls {
     tls_config_file=/etc/exim4/conf.d/main/03_exim4-config_tlsoptions
     tls_auth_config_file=/etc/exim4/conf.d/auth/30_exim4-config_examples
+    email_config_changed=
 
     if [ ! -f $tls_config_file ]; then
         tls_config_file=/etc/exim4/exim4.conf.template
         cp /etc/ssl/certs/exim.dhparam /etc/exim4
         chown root:Debian-exim /etc/exim4/exim.dhparam
         chmod 640 /etc/exim4/exim.key /etc/exim4/exim.crt /etc/exim4/exim.dhparam
+        email_config_changed=1
     fi
     if ! grep -q 'MAIN_TLS_ENABLE = true' $tls_config_file; then
         sed -i "/.ifdef MAIN_HARDCODE_PRIMARY_HOSTNAME/i\MAIN_HARDCODE_PRIMARY_HOSTNAME =\nMAIN_TLS_ENABLE = true" $tls_config_file
+        email_config_changed=1
     fi
     if ! grep -q "tls_on_connect_ports=465" $tls_config_file; then
         sed -i '/SSL configuration for exim/i\tls_on_connect_ports=465' $tls_config_file
+        email_config_changed=1
     fi
     if grep -q '# login_saslauthd_server' $tls_auth_config_file; then
         sed -i '/login_saslauthd_server/,/.endif/ s/# *//' $tls_auth_config_file
+        email_config_changed=1
     fi
     if [ -f /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.pem ]; then
         if ! grep -q "MAIN_TLS_CERTKEY = /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.pem" $tls_config_file; then
             sed -i "/.ifdef MAIN_TLS_CERTKEY/i\MAIN_TLS_CERTKEY = /etc/ssl/certs/${DEFAULT_DOMAIN_NAME}.pem" $tls_config_file
+            email_config_changed=1
         fi
     fi
     if [ -f /etc/ssl/private/${DEFAULT_DOMAIN_NAME}.key ]; then
         if ! grep -q "MAIN_TLS_PRIVATEKEY = /etc/ssl/private/${DEFAULT_DOMAIN_NAME}.key" $tls_config_file; then
             sed -i "/.ifdef MAIN_TLS_PRIVATEKEY/i\MAIN_TLS_PRIVATEKEY = /etc/ssl/private/${DEFAULT_DOMAIN_NAME}.key" $tls_config_file
+            email_config_changed=1
         fi
     fi
     if ! grep -q "SMTPLISTENEROPTIONS='-oX 465:25:587" /etc/default/exim4; then
         sed -i "s|SMTPLISTENEROPTIONS=.*|SMTPLISTENEROPTIONS='-oX 465:25:587 -oP /var/run/exim4/exim.pid'|g" /etc/default/exim4
+        email_config_changed=1
+    fi
+    if [ $email_config_changed ]; then
+        systemctl restart exim4
     fi
 }