Change user invitation emails to come from the sending site, instead of the user, since that can cause SPF problems. Fixes bug #11435.

docs/changelog/7.x.x.txt

@@ -12,6 +12,7 @@
  - fixed #11434: Inbox invitation adds text to email instead of html
  - fixed #11436: Inbox invitation use mail send instead of mail queue
  - fixed #11385: Wrong user in onCompletePurchase
+ - fixed #11435: Invitation mail uses wrong mail 'from' header
 
 7.8.12
  - fixed #11285: Pasting HTML into Code Editor in IE

lib/WebGUI/Account/Inbox.pm

@@ -946,7 +946,8 @@ sub www_inviteUserSave {
         my $invitation = WebGUI::Mail::Send->create(
             $session, {
                 to      => $to,
-                from    => $email,
+                from    => $session->setting->get('companyEmail'),
+                replyTo => $email,
                 subject => $subject,
             }
         );