https://sylpheed.sraoss.jp/ja/todo.html
Sylpheed - 軽快で使いやすいオープンソースのメールソフト
sylpheed
https://www.freshports.org/mail/sylpheed-gtk2/
FreshPorts -- mail/sylpheed-gtk2: The GTK+ 2.0 port of a lightweight, featureful and fast e-mail...
Sylpheed is an e-mail client (and news reader) based on GTK+, running on X Window System, and aiming for: * Quick response * Graceful, and sophisticated...
of aand fastfreshportsmailsylpheed