k9copy does not exist in 13.04. Ubuntu software does not have k9copy in it. $ sudo apt-get install k9copy
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package k9copy
Why does it not work with 13.04?
k9copy does not exist in 13.04. Ubuntu software does not have k9copy in it. $ sudo apt-get install k9copy
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package k9copy
Why does it not work with 13.04?