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    ##
## This is an example maildir configuration file.
##
## The maildir handler slowly creates a backup of each user's
## maildir to a remote server. It is designed to be run with
## low overhead in terms of CPU and bandwidth, so it runs pretty
## slow. Hardlinking is used to save storage space. The actual
## maildir is stored within each snapshot directory.
##
## The basic algorithm is to rsync each maildir individually,
## and to use hard links for retaining historical data.
##
## We handle each maildir individually because it becomes very
## unweldy to hardlink and rsync many hundreds of thousands
## of files at once. It is much faster to take on smaller
## chunks at a time. 
##
## Any maildir which is deleted from the source will be moved to
## "deleted" directory in the destination. It is up to you to 
## periodically remove this directory or old maildirs in it.
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    ##
## Note: This handler assumes that the remote shell is set to bash
##
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    ## The defaults are useful in most cases, just make sure
## to configure the source and destination information

when = everyday at 21:00

## each users maildir will contain these files:
## daily.1, daily.2, daily.3, daily.4, daily.5, weekly.1, weekly.2, 
## weekly.3, monthly.1
## if keepdaily is 5, keepweekly is 3, and keepmonthly is 1
keepdaily = 5
keepweekly = 3
keepmonthly = 1

# directory which contains all the maildirs
srcdir = /maildir/riseup.net
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    # the srcdir is expected to contain the following subdirectories. Each
# of these will contain the user's Maildirs which start with these
# letters
srcsubdirs = 0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z
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    # put the backups under this directory
destdir = /crypta/maildir/riseup.net
desthost = kakapo-pn

# For the backup rotation to work, destuser must be able to run
# arbitrary bash commands on the desthost.
destuser = backer

# remove any maildirs from backup which might have been deleted
remove = yes

# use a ssh-mux to reuse connections, see the following article
# http://www.debian-administration.org/articles/290 for an example
multiconnection = notset