

You never mentioned that the messages, despite


That's why I suggested changing the outgoing server's name to what AT&T suggests currently. Typically, messages in Outbox have not been sent and one common issue is a failure to connect with the outgoing server. I said that I was having trouble with the mail getting stuck in my outbox.I can still send and receive emails. Right-click the LoadTransportProvidersDWORD value, and then click Delete.I am failing to see where you were going with that one. HKEY_CURRENT_USER\Software\Microsoft\Office\\Outlook\PreferencesNote In this subkey, x.0 corresponds to your version of Outlook (15.0 = Outlook 2013, 14.0 = Outlook 2010, 12.0 = Outlook 2007). Locate and select the following registry subkey: To resolve this issue, delete the value of LoadTransportProviders in the registry. Microsoft cannot guarantee that these problems can be solved. These problems might require that you reinstall the operating system. Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method.

For a permanent fix, see the "Resolution" section. To work around this issue, use an Online mode profile for your Microsoft Exchange Server mailbox. Note In this registry subkey, x.0 corresponds to your version of Outlook (15.0 = Outlook 2013, 14.0 = Outlook 2010, 12.0 = Outlook 2007) Key: HKEY_CURRENT_USER\Software\Microsoft\Office\ x.0\Outlook\Preferences Outlook 2013, Outlook 2010 or Outlook 2007 You have the following data configured in the Windows registry: The Exchange email account is configured to use Cached Exchange mode. This problem occurs when both of the following items are true: This issue does not occur when you start Outlook in Safe mode. Instead, it remains in your Outbox folder. When you send an email message by using Microsoft Outlook, the message is not sent immediately.
