Krzysztof, unrelated to this thread, but I've noticed the "Face" header in your email, which exceeds the maximum size of such headers. As such, it breaks the hard limits of some servers as well as clients, such as Claws Mail.
http://quimby.gnus.org/circus/face/ -- Fedora release 19 (Schrödinger’s Cat) - Linux 3.9.6-301.fc19.x86_64 loadavg: 0.05 0.11 0.11 -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel
