> From: Krishna PMV [mailto:[email protected]]
> 
> Resending as my previous email didn`t get through the list.  Can someone
> please advice how we can improve compression ratio here? Thanks!

Nothing you can do, except store the mail in compressed files like xz or
whatever.

All general-purpose compression algorithms rely on one basic principle:
Reducing or remapping repeated data patterns.  If you're getting weak
compression ratios, it means your data is already compressed, or not
massively repeated.  Either way, you're already doing the best you can do.

Note:  Dedup is in fact a compression algorithm, but it's being applied
pool-wide instead of at the block level, so it deserves a different name.
We call it dedup instead of compression.


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