The delay might be relate to a temporary connectivity issue on either the sender or the receiver’s end.
We are generally working to minimize such occurrences and the only thing a customer can do if such an issue occurs is to wait patiently, while it is being resolved. If the cause of the issue is related to TMD Hosting, you can rest assured that we are working to remove the issue, so that you can continue your e-mail communication with as little interruption as possible.