[Evolution] Debian sarge upgrade path?

[Erik Moeller <moeller scireview de>]

I have over 20,000 mails in Evolution. What's the safest way to upgrade
to a new version on a Debian/sarge system? The version presently in
sarge is the horribly outdated 1.05, whereas unstable has version 1.45. 

Provided the unstable packages ever make it into sarge, is there a safe
email conversion path from 1.05 to 1.45 (provided there were any changes
in the format, index etc.)? Would it be safe for me to install the 1.45
packages through pinning?

(The primary reason I want to update is that 1.05 has, IIRC, several
security issues.)

Any help would be much appreciated.

Regards,

Erik
-- 
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