I am getting the CDO error as well. Here's what shows up in the Log Viewer.
AssemblyVersion: -1
Method:
FileName:
FileLineNumber: -1
FileColumnNumber: -1
PortalID: -1
PortalName:
UserID: -1
UserName:
ActiveTabID: -1
ActiveTabName:
AbsoluteURL:
AbsoluteURLReferrer:
ExceptionGUID:
DefaultDataProvider:
InnerException: Could not access 'CDO.Message' object.
Message: DotNetNuke.Services.Exceptions.PageLoadException: Could not access 'CDO.Message' object. ---> System.Web.HttpException: Could not access 'CDO.Message' object. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException (0x80040220): The "SendUsing" configuration value is invalid. --- End of inner exception stack trace --- at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters) at System.RuntimeType.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParameters) at System.Web.Mail.LateBoundAccessHelper.CallMethod(Object obj, String methodName, Object[] args) --- End of inner exception stack trace --- at DotNetNuke.Modules.Forum.Utils.SendForumMail(Int32 PostID, String URL, ForumEmailType EmailType) at DotNetNuke.Modules.Forum.PostEdit.PostToDatabase() at DotNetNuke.Modules.Forum.PostEdit.cmdSubmit_Click(Object sender, EventArgs e) at System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e) at System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) at System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) at System.Web.UI.Page.ProcessRequestMain() --- End of inner exception stack trace ---
StackTrace:
Source:
Server Name: xxx