[Users] Updating Claws Mail

[GM]

Thank you for the speedy responses.

Michael: I followed your instructions and now have 3.11.1 on my computer 
(not yet tested). The mistake I had been making was that I did not 
install the Claws Mail ppa. So simple!!

Ralf: I will carefully note your instructions because I am sure they 
will help with other installations.

As a relative newcomer to Linux (via Xandros and Ubuntu), I will not 
respond to your comments about Linux Mint except to suggest that it is 
perhaps a good way to learn more about Linux before moving on?

GM