diff --git a/vnstati.sh b/vnstati.sh
index 8109cfe..67fce1d 100644
--- a/vnstati.sh
+++ b/vnstati.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 if ! command -v vnstati >/dev/null; then  echo "I require vnstati but it's not installed."; sudo apt install vnstati; else echo "vnstati OK"; fi;
 if ! command -v sendmail >/dev/null; then  echo "I require sendmail but it's not installed."; sudo apt install sendmail; else echo "sendmail OK"; fi;
-if id -nG "$USER" | grep -qw "mail"; then echo ""; else sudo usermod -aG mail $USER; fi
+if id -nG "$USER" | grep -qw "mail"; then echo "User in mail group"; else sudo usermod -aG mail $USER; fi
 IFACE=$(ip -br l | awk '$1 !~ "lo|vir|vet|br|docker" { print $1}')
 for i in $IFACE;do
     vnstati -d 7 -i $i -o $i.png
@@ -27,7 +27,7 @@ done
 
 /usr/sbin/sendmail -t <<EOT
 TO: alfonso@vivancos.eu
-FROM: alfonso@cayuela.eu
+FROM: $USER@$(hostname -A)
 SUBJECT: $HOSTNAME traffic summary $(date +%c) 
 MIME-Version: 1.0
 Content-Type: multipart/related;boundary="XYZ"