Allow Empty Subject is a little extension that disables the warning dialog when you send a message without a subject.
It is not about promoting messages without a subject, it is about customizing Thunderbird. It is amazing what you can customize in Thunderbird with CSS and extensions, it felt strange you could not customize the "no subject" dialog.
· Thunderbird: 2.0b1 – 2.0.0.*
How to Install in Thunderbird
· Right-click the link below and choose "Save Link As..." to download and save the file to your hard disk.
· In Mozilla Thunderbird, open Add-ons from the Tools menu.
· Click the Install button, and locate/select the file you downloaded and click "OK".
What's New in This Release:
· Keep it simple, compatible with Thunderbird 2