Downgrade Thunderbird 6 to Thunderbird 5 from PPA

[Dotan Cohen]

Until yesterday I was using Thunderbird 5 from this PPA:
http://ppa.launchpad.net/mozillateam/thunderbird-stable

Now Thunderbird was upgraded to version 6 and broke an essential
extension. I found a Thunderbird 5 deb from here:
https://launchpad.net/ubuntu/oneiric/i386/thunderbird/5.0+build1+nobinonly-0ubuntu5

However removing the installed Thunderbird is giving me all kinds of
dependency issues, such as Enigmail. How does one "roll back" to a
previous version via aptitude? I tried using Synaptic's Fore Version
feature, but it is disabled on Thunderbird. Maybe that is due to the
PPA?


-- 
Dotan Cohen

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