It is difficult to help you without knowing what you have done.
But there are no known issues with form otherwise these issues would have already been fixed. So, this is most likely a configuration issue.
Note that emails are sent by the server, so it's also good to check the server log to see why the email was not sent.
For example, the server may have some restrictions on the 'from address' or you may need to use SMTP authentication.
See also "Emails are not arriving in my inbox" in the FAQ:
http://www.wysiwygwebbuilder.com/forum/ ... 10&t=32967