I made a test between gzip and bzip for compressing mailinglist
archives. Bzip is 20% better than gzip. E.g. if you have 500MB
gzip'd mails, bzip would only need 400MB.
uncompressed
22246042 Bytes
gzip
5325479 Bytes
bzip
4152802 Bytes
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Wolfram Schneider <wosch@apfel.de> http://www.apfel.de/~wosch/