diff --git a/config/initializers/html_email_style.rb b/config/initializers/html_email_style.rb
index 856196266..9c8e72a64 100644
--- a/config/initializers/html_email_style.rb
+++ b/config/initializers/html_email_style.rb
@@ -8,9 +8,6 @@ Rails.application.config.html_email_body = <<HERE
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
     <style type="text/css">
       body {
-        width: 90% !important;
-        -webkit-text-size-adjust: 90%;
-        -ms-text-size-adjust: 90%;
         #{Rails.application.config.html_email_css_font};
       }
       img {
@@ -35,9 +32,6 @@ Rails.application.config.html_email_body = <<HERE
         overflow: auto;
         word-break: keep-all;
       }
-      p, table, div, td {
-        max-width: 600px;
-      }
       table,
       pre,
       blockquote {
@@ -80,7 +74,7 @@ Rails.application.config.html_email_body = <<HERE
         overflow: auto;
       }
     </style>
-  <head>
+  </head>
   <body style="#{Rails.application.config.html_email_css_font}">###html###</body>
 </html>
 HERE
diff --git a/test/unit/email_build_test.rb b/test/unit/email_build_test.rb
index 44985cec6..7e2d3410e 100644
--- a/test/unit/email_build_test.rb
+++ b/test/unit/email_build_test.rb
@@ -29,7 +29,7 @@ class EmailBuildTest < ActiveSupport::TestCase
 <html>
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
-  <head>
+  </head>
   <body style="font-family:Geneva,Helvetica,Arial,sans-serif; font-size: 12px;">
     <div>&gt; Welcome!</div><div>&gt;</div><div>&gt; Thank you for installing Zammad. äöüß</div><div>&gt;</div>
   </body>
