[Dovecot] ot: mirroring/archiving to a Mac?
Reindl Harald
h.reindl at thelounge.net
Wed May 8 03:52:18 EEST 2013
Am 08.05.2013 02:49, schrieb Ben Morrow:
> At 2AM +0200 on 8/05/13 you (Reindl Harald) wrote:
>> Am 08.05.2013 02:30, schrieb voytek at sbt.net.au:
>>> I have Doveot 2.1.1 on Centos, all's well
>>>
>>> user mails are kept for 60 days, then, 'aged off' (deleted)
>>>
>>> a Mac user with two domains and two dozen users asked me:
>>>
>>> can I set a mail server on my home Mac server, and, 'mirror' the real mail
>>> server mailboxes so than I can have an offline mail archive for ever ?
>>>
>>> I know very little about Macs, can I setup dovceot on Mac?
>>> any tips/suggestions/howtos for mirroring/archiving as so?
>>
>> yes
>> http://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man1/dovecot.1.html
>>
>> and for the archive itself imapsync and cron is his friend
>
> Is it possible to use dsync for this? You would need a way to say 'don't
> delete mails from the destination', and I don't know if it will do
> that...
and that is why i recommended imapsync because it does not
delete as long you do not specify it explicit
usage: /usr/bin/imapsync [options]
Several options are mandatory.
--dry : Makes imapsync doing nothing, just print what would
be done without --dry.
--host1 <string> : Source or "from" imap server. Mandatory.
--port1 <int> : Port to connect on host1. Default is 143.
--user1 <string> : User to login on host1. Mandatory.
--showpasswords : Shows passwords on output instead of "MASKED".
Useful to restart a complete run by just reading a log.
--password1 <string> : Password for the user1.
--host2 <string> : "destination" imap server. Mandatory.
--port2 <int> : Port to connect on host2. Default is 143.
--user2 <string> : User to login on host2. Mandatory.
--password2 <string> : Password for the user2.
--passfile1 <string> : Password file for the user1. It must contain the
password on the first line. This option avoids to show
the password on the command line like --password1 does.
--passfile2 <string> : Password file for the user2. Contains the password.
--domain1 <string> : Domain on host1 (NTLM authentication).
--domain2 <string> : Domain on host2 (NTLM authentication).
--authuser1 <string> : User to auth with on host1 (admin user).
Avoid using --authmech1 SOMETHING with --authuser1.
--authuser2 <string> : User to auth with on host2 (admin user).
--proxyauth1 : Use proxyauth on host1. Requires --authuser1.
Required by Sun/iPlanet/Netscape IMAP servers to
be able to use an administrative user.
--proxyauth2 : Use proxyauth on host2. Requires --authuser2.
Required by Sun/iPlanet/Netscape IMAP servers to
be able to use an administrative user
--authmd51 : Use MD5 authentification for host1.
--authmd52 : Use MD5 authentification for host2.
--authmech1 <string> : Auth mechanism to use with host1:
PLAIN, LOGIN, CRAM-MD5 etc. Use UPPERCASE.
--authmech2 <string> : Auth mechanism to use with host2. See --authmech1
--ssl1 : Use an SSL connection on host1.
--ssl2 : Use an SSL connection on host2.
--tls1 : Use an TLS connection on host1.
--tls2 : Use an TLS connection on host2.
--folder <string> : Sync this folder.
--folder <string> : and this one, etc.
--folderrec <string> : Sync this folder recursively.
--folderrec <string> : and this one, etc.
--include <regex> : Sync folders matching this regular expression
--include <regex> : or this one, etc.
in case both --include --exclude options are
use, include is done before.
--exclude <regex> : Skips folders matching this regular expression
Several folders to avoid:
--exclude 'fold1|fold2|f3' skips fold1, fold2 and f3.
--exclude <regex> : or this one, etc.
--regextrans2 <regex> : Apply the whole regex to each destination folders.
--regextrans2 <regex> : and this one. etc.
When you play with the --regextrans2 option, first
add also the safe options --dry --justfolders
Then, when happy, remove --dry, remove --justfolders.
Have in mind that --regextrans2 is applied after prefix
and separator inversion.
--tmpdir <string> : Where to store temporary files and subdirectories.
Will be created if it doesn't exist.
Default is system specific, Unix is /tmp but
it's often small and deleted at reboot.
--tmpdir /var/tmp should be better.
--pidfile <string> : The file where imapsync pid is written.
--pidfilelocking : Abort if pidfile already exists. Usefull to avoid
concurrent transfers on the same mailbox.
--prefix1 <string> : Remove prefix to all destination folders
(usually INBOX. or INBOX/ or an empty string "")
you have to use --prefix1 if host1 imap server
does not have NAMESPACE capability, all other
cases are bad.
--prefix2 <string> : Add prefix to all host2 folders. See --prefix1
--sep1 <string> : Host1 separator in case NAMESPACE is not supported.
--sep2 <string> : Host2 separator in case NAMESPACE is not supported.
--regexmess <regex> : Apply the whole regex to each message before transfer.
Example: 's/\000/ /g' # to replace null by space.
--regexmess <regex> : and this one.
--regexmess <regex> : and this one, etc.
--regexflag <regex> : Apply the whole regex to each flags list.
Example: 's/"Junk"//g' # to remove "Junk" flag.
--regexflag <regex> : and this one, etc.
--delete : Deletes messages on host1 server after a successful
transfer. Option --delete has the following behavior:
it marks messages as deleted with the IMAP flag
\Deleted, then messages are really deleted with an
EXPUNGE IMAP command.
--delete2 : Delete messages in host2 that are not in
host1 server. Useful for backup or pre-sync.
--delete2duplicates : Delete messages in host2 that are duplicates.
Works only without --useuid since duplicates are
detected with header part of each message.
--delete2folders : Delete folders in host2 that are not in host1 server.
For safety, first try it like this (it is safe):
--delete2folders --dry --justfolders --nofoldersizes
--delete2foldersonly <regex>: Deleted only folders matching regex.
--delete2foldersbutnot <regex>: Do not delete folders matching regex.
Example: --delete2foldersbutnot "/Tasks|Contacts|Foo/"
--noexpunge : Do not expunge messages on host1.
Expunge really deletes messages marked deleted.
Expunge is made at the beginning, on host1 only.
Newly transferred messages are also expunged if
option --delete is given.
No expunge is done on host2 account (unless --expunge2)
--expunge1 : Expunge messages on host1 after messages transfer.
--expunge2 : Expunge messages on host2 after messages transfer.
--uidexpunge2 : uidexpunge messages on the host2 account
that are not on the host1 account, requires --delete2
--syncinternaldates : Sets the internal dates on host2 same as host1.
Turned on by default. Internal date is the date
a message arrived on a host (mtime).
--idatefromheader : Sets the internal dates on host2 same as the
"Date:" headers.
--maxsize <int> : Skip messages larger (or equal) than <int> bytes
--minsize <int> : Skip messages smaller (or equal) than <int> bytes
--maxage <int> : Skip messages older than <int> days.
final stats (skipped) don't count older messages
see also --minage
--minage <int> : Skip messages newer than <int> days.
final stats (skipped) don't count newer messages
You can do (+ are the messages selected):
past|----maxage+++++++++++++++>now
past|+++++++++++++++minage---->now
past|----maxage+++++minage---->now (intersection)
past|++++minage-----maxage++++>now (union)
--search <string> : Selects only messages returned by this IMAP SEARCH
command. Applied on both sides.
--search1 <string> : Same as --search for selecting host1 messages only.
--search2 <string> : Same as --search for selecting host2 messages only.
--search CRIT equals --search1 CRIT --search2 CRIT
--exitwhenover <int> : Stop syncing when total bytes transferred reached.
Gmail per day allows 2500000000 down 500000000 upload.
--useheader <string> : Use this header to compare messages on both sides.
Ex: Message-ID or Subject or Date.
--useheader <string> and this one, etc.
--subscribed : Transfers subscribed folders.
--subscribe : Subscribe to the folders transferred on the
host2 that are subscribed on host1. On by default.
--subscribe_all : Subscribe to the folders transferred on the
host2 even if they are not subscribed on host1.
--nofoldersizes : Do not calculate the size of each folder in bytes
and message counts. Default is to calculate them.
--nofoldersizesatend : Do not calculate the size of each folder in bytes
and message counts at the end. Default is on.
--justfoldersizes : Exit after having printed the folder sizes.
--syncacls : Synchronises acls (Access Control Lists).
--nosyncacls : Does not synchronize acls. This is the default.
Acls in IMAP are not standardized, be careful.
--usecache : Use cache to speedup.
--nousecache : Do not use cache. Caveat: --useuid --nousecache creates
duplicates on multiple runs.
--useuid : Use uid instead of header as a criterium to recognize
messages. Option --usecache is then implied unless
--nousecache is used.
--debug : Debug mode.
--debugcontent : Debug content of the messages transfered.
--debugflags : Debug flags.
--debugimap1 : IMAP debug mode for host1. imap debug is very verbose.
--debugimap2 : IMAP debug mode for host2.
--debugimap : IMAP debug mode for host1 and host2.
--version : Print software version.
--noreleasecheck : Do not check for new imapsync release (a http request).
--justconnect : Just connect to both servers and print useful
information. Need only --host1 and --host2 options.
--justlogin : Just login to both host1 and host2 with users
credentials, then exit.
--justfolders : Do only things about folders (ignore messages).
--help : print this help.
Example: to synchronize imap account "foo" on "imap.truc.org"
to imap account "bar" on "imap.trac.org"
with foo password "secret1"
and bar password "secret2"
/usr/bin/imapsync \
--host1 imap.truc.org --user1 foo --password1 secret1 \
--host2 imap.trac.org --user2 bar --password2 secret2
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