$ sudo apt-get remove altermime 

Uninstall altermime including dependent package

If you would like to remove altermime and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove altermime 

Use Purging altermime

If you use with purge options to altermime package all the configuration and dependent packages will be removed.

$ sudo apt-get purge altermime 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove altermime 

See Also,