Re: [imapsync] imapsync issue: calculates 4719, transfers 400

[Gilles LAMIRAL <gilles dot lamiral at laposte dot net>]

Hello Jigar,

> We have installed imapsync 1.241 and migrating mail using it. 
> But we have observed that it is skipping mails. While calculating it shows 4719 mails but migrates only 400.

I've just wrote the following FAQ item about this issue but 400 instead of 4719
may be another issue.

=======================================================================
Q. imapsync calculates 479 messages in a folder but only transfers 400
   messages. What's happen?

R. imapsync considers the header part of a message (as a whole or
   only specific lines depending on --useheader --skipheader)
   to identify a message on both sides.

Two consequences:

  1) Messages with no header are not transferred.
  2) Duplicate messages (identical header) are not transferred
     several times.

The result is that you can have more messages on host1 than on host2
after a transfer.
=======================================================================

> We are transfering nfs mounted user home mail area.
> It is successfully copy all the users mail which are in inbox i.e. /var/spool/mail/$user.

imapsync is independent of file storage techniques.
Why do you say successfully since there's a problem?

> We are using dovecot on both server.

Same software, why don't you use rsync?

> Need help so all the mails gets copied. 

The check-list to go on faster:

BUG REPORT GUIDELINES

    Help us to help you: follow the following guidelines.

    Report any bugs or feature requests to the public mailing-list or to the
    author.

    Before reporting bugs, read the FAQ, the README and the TODO files.
    http://www.linux-france.org/prj/imapsync/

    Upgrade to last imapsync release, maybe the bug is already fixed.

    Upgrade to last Mail-IMAPClient Perl module.
    http://search.cpan.org/dist/Mail-IMAPClient/ maybe the bug is already
    fixed.

    Make a good title with word "imapsync" in it (my spam filter won't
    filter it), Don't write an email title with just "imapsync" or
    "problem", a good title is made of keywords summary, not too long (one
    visible line).

    Don't write imapsync in uppercase in the email title, we'll know you run
    windows(tm) and you haven't read the README yet.

    Help us to help you: in your report, please include:

     - imapsync version.

     - output given with --debug --debugimap near the failure point.
       Isolate a message or two in a folder 'BUG' and use

           --folder 'BUG' --debug --debugimap

     - imap server software on both side and their version number.

     - imapsync with all the options you use,  the full command line
       you use (except the passwords of course).

     - IMAPClient.pm version.

     - operating system running imapsync.

     - operating systems on both sides and the third side in case
       you run imapsync on a foreign host from the both.

     - virtual software context (vmware, xen etc.)

    Most of those values can be found as a copy/paste at the begining of the
    output.

    One time in your life, read the paper "How To Ask Questions The Smart
    Way" http://www.catb.org/~esr/faqs/smart-questions.html and forget it.


(65min, upped to date the FAQ)
--
Au revoir,                             09 51 84 42 42
Gilles Lamiral. France, Baulon (35580) 06 20 79 76 06