[ Thanks to tomasdf for this link.
]
“The recent upgrade to Thunderbird 2.0 marked a nice evolution
of the client and while it did not bring a lot of major changes it
did include a few much needed tweaks. Between these changes and my
general requirement of using as few extensions as possible I have
found that Thunderbird does not need many extensions to get it set
up properly. There are a few excellent ones out there that everyone
should know about.“Everyone talks about Firefox extensions all the time, but
Thunderbird has some great ones as well. Here are the four I have
found the most useful…”