This program has a very simple interface that mimics the look of an e-mail account with an inbox, sent messages section, and drafts folder. This way you can check things in an organized way.
Since MesNews is multiserver and multigroup, you can use it with multiple accounts. Messages will be published and sent as HTML text, and you can add colors and emoticons. You can also set different sync settings: default (no syncing), incoming messages, and new things only.
This application also lets you decode multi-part messages or add signatures to mail through the settings.