However, I think the reason may have been the use of NoScript. If I temporarily accept all scripts, I can now send. It may also have been a clagged up Windows 7/64. Now upgraded to 8 and all connections working better.

While here - it seems strange to me that Jack thinks that some businesses can't afford MS Office. How much does an OEM Office cost compared to a $50,000 per year salary? Half of f all! It might be true in the developing world, but in most of those countries they get fake versions.