Hi, I have been unable to send emails from my TPG post office for months, continually get the following message, extremely frustrating, unable to find a solution, help please??   "Failure Sending Message, Email address not valid. Please use an email address thats looks like user@example.com"   My email addresses are valid, I cant even send one to myself.   Thanks ... View more

I can't send emails to any address via Outlook or Post Office. In Post Office I get the following error; Failure sending message: email address not valid. Please use an email address that looks like user@example.com ... View more