Merge branch 'template-fixup-rewritedomain' into 'master'

swap login on $rewrite_domain use in template

See merge request !3

templates/etc/ssmtp/ssmtp.conf.epp

@@ -18,10 +18,10 @@ root=<%= $root_user %>
 mailhub=<%= $mailhub %>
 
 # Where will the mail seem to come from?
-<% if $rewrite_domain =~ Undef { -%>
-#rewriteDomain=
-<% } else { -%>
+<% if $rewrite_domain { -%>
 rewriteDomain=<%= $rewrite_domain %>
+<% } else { -%>
+#rewriteDomain=
 <% } -%>
 
 # The full hostname