Not receiving emails after recent update?

We've received few complaints from a customer where they're not able to receive emails on TMail, however, the emails do exist in Catch-All Email Account. 

If you're also not receiving emails, please apply this patch - http://s000.tinyupload.com/index.php?file_id=99937255986594359335

To apply the above patch in the ZIP file, go to Admin Panel -> Update -> Manual Update and upload the ZIP file.