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Re: exim4 maildir_tag

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On Tue, 8 Mar 2016 23:21:26 +1100
Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> wrote:

> Hi,
> 
> On 8/03/2016 8:32 PM, Christian Schmidt wrote:
> > On 07.03.2016 19:34, Andrew McGlashan wrote:  
> >> So, mail queue handling will then be done by dovecot-lda instead
> >> of exim4.  
> > 
> > No, dovecot "only" does delivery to your local users'
> > mailboxes/maildirs.  
> 
> That's what I thought, thanks for confirming.
> 
> >> Will mailq still give me results the same way?  
> > 
> > Sure.  
> 
> Excellent, now I just need to work out how to gzip emails when they
> are larger than the file system block size of 4KB -- although I do
> wonder, does dovecot provide clients with non-zipped data or can it
> benefit form less traffic by providing zipped data over the
> transport?  (like how a web browser might receive zipped content and
> unzip it to build the webpage on the client).

Dovecot has two (relevant) plugins. zlib compresses the stored emails.
This is transparent to all clients - exim provides uncompressed emails,
dovecot compresses them to disk and on-the-fly decompresses them when
serving them back to mail clients.

There is also imap_zlib which works like the HTTP gzip extension. IMAP
communications are compressed, allowing fewer bytes to be sent between
the server and the clients.

> 
> Oh and the system_filter saves files directly to backup areas that are
> not users on the system; so I have some work to do on that as well.
> 
> Thanks
> AndrewM
> 

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Thread

exim4 maildir_tag Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-03-07 16:50 +0100
  Re: exim4 maildir_tag Darac Marjal <mailinglist@darac.org.uk> - 2016-03-07 18:40 +0100
    Re: exim4 maildir_tag Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-03-07 19:40 +0100
      Re: exim4 maildir_tag Christian Schmidt <Christian.Schmidt@chemie.uni-hamburg.de> - 2016-03-08 10:40 +0100
        Re: exim4 maildir_tag Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-03-08 13:30 +0100
          Re: exim4 maildir_tag Darac Marjal <mailinglist@darac.org.uk> - 2016-03-08 23:10 +0100
            Re: exim4 maildir_tag Jonathan Dowland <jmtd@debian.org> - 2016-03-09 15:50 +0100
              Re: exim4 maildir_tag Sven Hartge <sven@svenhartge.de> - 2016-03-09 16:30 +0100
    Re: exim4 maildir_tag Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-03-07 20:30 +0100

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