Prerequisites

• on Gentoo:
• dev-libs/libappindicator
• mail-client/claws-mail
• on Ubuntu:
• libappindicatordev
• libclaws-mail-dev

Build instructions

• clone the repository
• run make inside the claws-mail-indicator directory
• create a link to build/lib/indicator.so inside your Claws Mail plugin directory:
• /usr/lib/x86_64/claws-mail/plugins on Gentoo
• /usr/lib/x86_64-linux-gnu/claws-mail/plugins on Ubuntu
• load the plugin in Claws Mail

Screenshots