gnubiff is a mail notification program that checks for mail and displays headers when new mail has arrived.

gnubiff features include:

• Multiple mailbox support
• pop3, apop, imap4, mh, qmail and mailfile support
• SSL & certificates support
• GNOME support with complete integration to panel
• GTK stand-alone support
• Support for the system tray
• Support for running without GUI or X
• Automatic detection of mailbox format
• Mail header & content display
• IDLE state support for imap4
• FAM support for mh/qmail/mailfile
• PNG animation support
• Highly configurable
• HIG 2.0 compliance
• Small memory usage

12 June 2016. Gnubiff 2.2.17 minor bugfix release.
7 February 2010. Gnubiff 2.2.13 minor bugfix release. Last release for GTK2 and GNOME2.
9 April 2006. Gnubiff 2.2.0 major feature release.

Version 2.2.17:

• Fixed reading/writing config file
• Fixed several other bugs

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You have mail, GNOME version	Mail headers
You have mail, GTK version	Mail display

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Download the sourcecode of the latest release gnubiff 2.2.17. Other releases are available at sourceforge.net.
You need GTK 3 (or higher) installed to compile.
If you want GNOME support you need GNOME 3 (or higher) installed to compile.
If you want gnubiff for GTK2 and GNOME2 please download gnubiff 2.2.13.

Installation
To install gnubiff with GNOME:
./configure
make
make install
When installing not to "/usr" it may be necessary to modify the file "/etc/bonobo-activation/bonobo-activation-config.xml" or to execute "activation-client --add-path=..." before gnubiff can be added to the gnome panel.

To install gnubiff with GTK only:
./configure --disable-gnome
make
make install

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gnubiff now uses a very simple PNG animation format that allow to use full color images and also to handle alpha channel properly (thanks to PNG support). The idea is simply to put all frames of your animation in one big PNG image and gnubiff will take care of the animation. But, gnubiff cannot decide what is the size of a frame based on image size and so, you have to provide this size with the name of the image. The convention is that frame size is between parenthesis. For example, "anim(64x64).png" means that frame size is 64 by 64 pixels and then image should be 64 pixels width and n*64 pixels heigth where n is the number of frame.

To convert a gif animation to this format just type:
convert +append animation.gif animation(64x64).png
(where 64x64 is the size of a single frame)

You are welcome to contribute by submitting images, animations or sounds to be used with gnubiff.

Nicolas Rougier is the original author.
Nicolas Rougier, Robert Sowada and Roland Stigge are main developers and maintainers.

Bugs should be reported at the gnubiff bug tracker.