zlib plugin doesn't add "Z" flag to Maildir filename

[Tom Sommer]

On 2016-03-10 16:06, Alessio Cecchi wrote:
> Il 10/03/2016 15:33, Tom Sommer ha scritto:
>> On 2016-03-10 15:00, Alessio Cecchi wrote:
>>> Il 10/03/2016 10:38, Tom Sommer ha scritto:
>>>> I enabled zlib compression, so new mails are saved compressed.
>>>> 
>>>> Now I want to convert the old mails to gzip with the find and gzip
>>>> command, but now I don't know which files are already gzip 
>>>> compressed by
>>>> dovecot.
>>> 
>>> Simple check if the file is already compress (es. if gzip -t
>>> "${MAILFILE}" 2> /dev/null".
>> 
>> Thanks. I worked around it with `file`.
> 
> I suggest to use "gzip -t" for test if an email is already compress,
> with file I found some unrecognized compress email, a real example:
> 
> # file 
> 1424615175.M471013P18835.pop04.domain.com\,S\=3982\,W\=4097\:2\,S
> 1424615175.M471013P18835.pop04.domain.com,S=3982,W=4097:2,S: Minix
> filesystem, V3, 6762 zones
> 
> # gzip -t 
> 1424615175.M471013P18835.pop04.domain.com\,S\=3982\,W\=4097\:2\,S
> # echo $?
> 0

Duly noted, thanks :)