overview zlib efficiency?

[micah]

Andrew McGlashan <andrew.mcglashan at affinityvision.com.au> writes:

> On 16/03/2016 2:01 AM, Götz Reinicke - IT Koordinator wrote:
>> Hi,
>> 
>> may be someone has already done that: Do you have a script(?) tool which
>> shows the efficiency of the mail compression if zlib is used?
>> 
>> Something that shows the uncompressed size vrs. the compressed.
>
> Remember one thing; emails are stored in plain text, the same text that
> they are normally transmitted b/w servers.

Emails are not stored in plaintext if you are using dbox/mdbox.