Nice software !

I heard Thunderbird was a real emailing application. I heard it was a good one, even. Then I noticed that, when replying to such a mail:

Original mail

Thunderbird does « stuff » to the subject:

The answer

The source of the header is:

Subject: Re: [Toulibre] [Fwd: « Quels =?UTF-8?B?77+9IGRhbnMgbGVzIGNvdWxpc3M=?=
=?UTF-8?B?ZXMgZGUgbGEg77+9IG11c2ljYWxlIiA/XQ==?=

What a piece of crap :-)