diff --git a/salt/common/tools/sbin/so-user b/salt/common/tools/sbin/so-user
index ac42a73b4..f7604d298 100755
--- a/salt/common/tools/sbin/so-user
+++ b/salt/common/tools/sbin/so-user
@@ -99,8 +99,7 @@ function validatePassword() {
 
   len=$(expr length "$password")
   if [[ $len -lt 6 ]]; then
-    echo "Password does not meet the minimum requirements"
-    exit 2
+    fail "Password does not meet the minimum requirements"
   fi
   check_password_and_exit "$password"
 }
@@ -109,8 +108,11 @@ function validateEmail() {
   email=$1
   # (?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])
   if [[ ! "$email" =~ ^[[:alnum:]._%+-]+@[[:alnum:].-]+\.[[:alpha:]]{2,}$ ]]; then
-    echo "Email address is invalid"
-    exit 3
+    fail "Email address is invalid"
+  fi
+
+  if [[ "$email" =~ [A-Z] ]]; then
+    fail "Email addresses cannot contain uppercase letters"
   fi
 }