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imapsync/W/patches/imapsync.WilliamHernandez.INBOX.INBOX
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#!/usr/bin/perl -w
=head1 NAME
imapsync - IMAP sync or copy tool. Synchronize mailboxes between two imap servers.
$Revision: 1.77 $
=head1 INSTALL
imapsync works fine under any Unix OS.
imapsync works fine under Windows 2000 (at least) and ActiveState's 5.8 Perl
Get imapsync at
http://www.linux-france.org/prj/imapsync/dist/
You'll find a compressed tarball called imapsync-x.xx.tgz
where x.xx is the version number. Untar the tarball where
you want :
tar xzvf imapsync-x.xx.tgz
Go into the directory imapsync-x.xx and read the INSTALL
file.
The freshmeat record is http://freshmeat.net/projects/imapsync/
=head1 SYNOPSIS
imapsync [options]
imapsync --help
imapsync
imapsync [--host1 server1] [--port1 <num>]
[--user1 <string>] [--passfile1 <string>]
[--host2 server2] [--port2 <num>]
[--user2 <string>] [--passfile2 <string>]
[--folder <string> --folder <string> ...]
[--include <regex>] [--exclude <regex>]
[--prefix2 <string>]
[--sep1 <char>]
[--sep2 <char>]
[--syncinternaldates]
[--maxsize <int>]
[--maxage <int>]
[--delete] [--expunge]
[--subscribed] [--subscribe]
[--dry]
[--debug] [--debugimap]
[--timeout <int>]
[--version] [--help]
=cut
# comment
=pod
=head1 DESCRIPTION
The command imapsync is a tool allowing incremental and recursive
imap transfer from one mailbox to another.
We sometimes need to transfer mailboxes from one imap server to
another. This is called migration.
imapsync is the adequate tool because it reduces the amount of data
transfered by not transfering a given message if it is already on
both sides. All flags are preserved, unread will stay unread, read
will stay read, deleted will stay deleted. You can stop the
transfert at any time and restart it later, imapsync is adapted
to a bad connection.
You can decide to delete the messages from the source mailbox
after a successful transfert (it is a good feature when migrating).
In that case, use the --delete option, and run imapsync again
with the --expunge option.
You can also just synchronize a mailbox A from another mailbox B
in case you just want to keep a "live" copy of B in A.
=head1 OPTIONS
Invoke: imapsync --help
=head1 HISTORY
I wrote imapsync because an enterprise (basystemes) paid me to install
a new imap server without loosing huge old mailboxes located on a far
away remote imap server accessible by a low bandwith link. The tool
imapcp (written in python) could not help me because I had to verify
every mailbox was well transfered and delete it after a good
transfert. imapsync started its life being a copy_folder.pl patch.
The tool copy_folder.pl comes from the Mail-IMAPClient-2.1.3 perl
module tarball source (in the examples/ directory of the tarball).
=head1 EXAMPLES
While working on imapsync parameters please run imapsync in dry mode (no
modification induced) with the --dry option. Nothing bad can be done
this way.
To synchronize the imap account "buddy" on host "imap.src.fr" to the
imap account "max" on host "imap.dest.fr" (the passwords are located
in too files "/etc/secret1" for "buddy", "/etc/secret2" for "max") :
imapsync --host1 imap.src.fr --user1 buddy --passfile1 /etc/secret1 \
--host2 imap.dest.fr --user2 max --passfile2 /etc/secret2
Then, you will have buddy's mailbox updated from max's mailbox.
=head1 SECURITY
You can use --password1 instead of --passfile1 to give the
password but it is dangerous because any user on your host
can see the password by using the 'ps auxwwww'
command. Using a variable (like $PASSWORD1) is also
dangerous because of the 'ps auxwwwwe' command. So, saving
the password in a well protected file (600 or rw-------) is
the best solution.
imasync is not protected against sniffers on the network so
the passwords are in plain text.
=head1 EXIT STATUS
imapsync will exit with a 0 status (return code) if everything went good.
Otherwise, it exits with a non-zero status.
So if you have a buggy internet connection, you can use this loop
in a Bourne shell:
while ! imapsync ...; do
echo imapsync not complete
done
=head1 AUTHOR
Gilles LAMIRAL lamiral@linux-france.org
=head1 LICENSE
imapsync is free, gratis and open source software cover by the GNU General
Public License. See the GPL file included in the distribution or the web site
http://www.gnu.org/licenses/licenses.html
=head1 BUGS
No known serious bug.
Flags : with some IMAP servers the flags are not very well copied the
first time. Run imapsync twice if you want the flags set correctly.
(fixed since 1.28 release but wait for a time before removing those
lines)
Report any bugs to the author: lamiral@linux-france.org
=head1 IMAP SERVERS
Success stories reported (softwares in alphabetic order) :
- BincImap 1.2.3
- CommunicatePro server (Redhat 8.0)
- Courier IMAP 1.5.1, 2.2.0, 2.1.1
- Critical Path (7.0.020)
- Cyrus IMAP 1.5, 1.6, 2.1, 2.1.15, 2.1.16, 2.2.1, Cyrus 2.2.2-BETA
- DBMail 1.2.1
- Dovecot 0.99.10.4
- iPlanet Messaging server 4.15
- Netscape Mail Server 3.6 (Wintel !)
- SunONE Messaging server 5.2, 6.0 (SUN JES - Java Enterprise System)
- UW-imap servers (imap-2000b) rijkkramer IMAP4rev1 2000.287
- UW - QMail v2.1
Please report to the author any success or bad story with
imapsync and don't forget to mention the IMAP server
software names and version on both sides. This will help
future users. To help the author maintaining this section
report the two lines at the begining of the output if they
are useful to know the softwares. Example:
From software :* OK louloutte Cyrus IMAP4 v1.5.19 server ready
To software :* OK Courier-IMAP ready
You can use option --justconnect to get those lines.
And please rate imapsync at http://freshmeat.net/projects/imapsync/
=head1 HUGE MIGRATION
Have a special attention on options
--subscribed
--subscribe
--delete
--expunge
--maxage
--maxsize
If you have many mailboxes to migrate think about a little
shell program. Write a file called file.csv (for example)
containing users and passwords.
The separator used in this example is ';'
The file.csv file content is :
user0001;password0001;user0002;password0002
user0011;password0011;user0012;password0012
...
And the shell program is just :
{ while IFS=';' read u1 p1 u2 p2; do
imapsync --user1 $u1 --password1 $p1 --user2 $u2 --password2 $p2 ...
done ; } < file.csv
Welcome in shell programming !
=head1 Hacking
Feel free to hack imapsync as the GPL Licence permits it.
=head1 Links
Entries for imapsync:
http://www.imap.org/products/showall.php
=head1 SIMILAR SOFTWARES
offlineimap : http://gopher.quux.org:70/devel/offlineimap/
mailsync : http://mailsync.sourceforge.net/
imapxfer : http://www.washington.edu/imap/
part of the imap-utils from UW.
mailutil : replace imapxfer in
part of the imap-utils from UW.
http://www.gsp.com/cgi-bin/man.cgi?topic=mailutil
imaprepl : http://www.bl0rg.net/software/
http://freshmeat.net/projects/imap-repl/
imap_migrate: http://freshmeat.net/projects/imapmigration/
pop2imap : http://www.linux-france.org/prj/pop2imap/
Feedback (good or bad) will be always welcome.
$Id: imapsync,v 1.77 2004/03/11 05:33:22 gilles Exp $
=cut
++$|;
use strict;
use Getopt::Long;
use Mail::IMAPClient;
use Digest::MD5 qw(md5_base64);
#use Digest::HMAC_MD5;
eval { require 'usr/include/sysexits.ph' };
my(
$rcs, $debug, $debugimap, $error,
$host1, $host2, $port1, $port2,
$user1, $user2, $password1, $password2, $passfile1, $passfile2,
@folder, $include, $exclude, $prefix2,
$sep1, $sep2,
$syncinternaldates,
$maxsize, $maxage,
$delete, $expunge, $dry,
$authmd5,
$subscribed, $subscribe,
$version, $VERSION, $help,
$justconnect,
$mess_size_total_trans,
$mess_size_total_skipped,
$mess_size_total_error,
$timeout, # whr (ESS/PRW)
);
use vars qw ($opt_G); # missing code for this will be option.
$rcs = ' $Id: imapsync,v 1.77 2004/03/11 05:33:22 gilles Exp $ ';
$rcs =~ m/,v (\d+\.\d+)/;
$VERSION = ($1) ? $1 : "UNKNOWN";
my $VERSION_IMAPClient = $Mail::IMAPClient::VERSION;
my $md5_supported = 0;
$md5_supported = md5_supported();
$mess_size_total_trans = 0;
$mess_size_total_skipped = 0;
$mess_size_total_error = 0;
sub md5_supported {
# before 2.2.6 no md5 native
# I know this is ugly, I should write a sort function
if ($VERSION_IMAPClient =~ m/(\d+)\.(\d+)\.(\d+)/) {
$debug and print "VERSION_IMAPClient $1 $2 $3\n";
my($major,$minor,$sub) = ($1, $2, $3);
return(1) if($major >=3);
return(0) if($major <=1);
return(1) if($minor >=3);
return(0) if($minor <=1);
return(1) if($sub >=6);
return(0) if($sub <=5);
}else{
return 0; # don't match regex => bad
}
}
$error=0;
my $banner = join("",
'$RCSfile: imapsync,v $ ',
'$Revision: 1.77 $ ',
'$Date: 2004/03/11 05:33:22 $ ',
"\n",
"Mail::IMAPClient version used here is ",
$VERSION_IMAPClient, " auth md5 : $md5_supported",
"\n"
);
unless(defined(&_SYSEXITS_H)) {
# 64 on my linux box.
eval 'sub EX_USAGE () {64;}' unless defined(&EX_USAGE);
}
get_options();
print $banner;
sub missing_option {
my ($option) = @_;
die "$option option must be used, run $0 --help for help\n";
}
$host1 || missing_option("--host1") ;
$port1 = (defined($port1)) ? $port1 : 143;
$user1 || missing_option("--user1");
$password1 || $passfile1 || missing_option("--passfile1 or --password1");
$password1 = (defined($passfile1)) ? firstline ($passfile1) : $password1;
$host2 || missing_option("--host2") ;
$port2 = (defined($port2)) ? $port2 : 143;
$user2 || missing_option("--user2");
$password2 || $passfile2 || missing_option("--passfile2 or --password2");
$password2 = (defined($passfile2)) ? firstline ($passfile2) : $password2;
$authmd5 = (defined($authmd5)) ? $authmd5 : 1;
print "From imap server [$host1] port [$port1] user [$user1]\n";
print "To imap server [$host2] port [$port2] user [$user2]\n";
my $from = ();
my $to = ();
my $authmech = "CRAM-MD5";
unless ($md5_supported) {
print "Auth $authmech not supported by IMAPClient $VERSION_IMAPClient\n";
}else{
print "Auth $authmech supported by IMAPClient $VERSION_IMAPClient\n";
}
$debugimap and print "From connection\n";
$from = login_imap($host1, $port1, $user1, $password1, $debugimap, $timeout);
$debugimap and print "To connection\n";
$to = login_imap($host2, $port2, $user2, $password2, $debugimap, $timeout);
sub login_imap {
my($host, $port, $user, $password, $debugimap, $timeout, $authmech) = @_;
my $imap = Mail::IMAPClient->new();
$imap->Server($host);
$imap->Port($port);
$imap->Fast_io(1);
$imap->Uid(1);
$imap->Peek(1);
$imap->Debug($debugimap);
$imap->connect()
or die "Can not open imap connection on [$host] with user [$user] : $@\n";
if ($timeout) # whr (ESS/PRW)
{
$imap->Timeout($timeout);
print "Setting imap timeout to $timeout\n";
}
$imap->User($user);
$imap->Password($password);
md5auth($imap);
$imap->login() or die "Error login : [$host] with user [$user] : $@";
return($imap);
}
sub md5auth() {
my ($imap) = @_;
unless ($md5_supported) {
return;
}
unless ($authmd5) {
print "$authmech not wanted by you\n";
return;
}
if ($imap->has_capability($authmech)
or $imap->has_capability("AUTH=$authmech")) {
print "Server [", $imap->Server,
"] has capability $authmech\n";
}else{
print "Server [", $imap->Server,
"] has NOT capability $authmech\n";
return;
}
#print "EE", $imap->Authmechanism(), "\n";
if ($imap->Authmechanism($authmech)) {
print "Using $authmech authentification\n";
#$imap->Authmechanism(undef);
#print "EE", $imap->Authmechanism(), "\n";
}else{
$imap->Authmechanism(undef);
print "Can NOT use $authmech authentification, using plain\n";
}
return;
}
print "From software : ", ($from->Report())[0];
print "To software : ", ($to->Report())[0];
print "From capability : ", join(" ", $from->capability()), "\n";
print "To capability : ", join(" ", $to->capability()), "\n";
die unless $from->IsAuthenticated();
die unless $to->IsAuthenticated();
my (@f_folders, @t_folders, %fs_folders);
# Make a hash of subscribed folders in source server.
map { $fs_folders{$_}=1 } $from->subscribed();
if (scalar(@folder)) {
# folders given by option --folder
@f_folders = @folder;
}elsif ($subscribed) {
# option --subscribed
@f_folders = sort keys (%fs_folders);
}else {
# no option, all folders
@f_folders = sort $from->folders();
# consider (optional) includes and excludes
if ($include) {
@f_folders = grep /$include/,@f_folders;
print "Only including folders matching pattern '$include'\n";
}
if ($exclude) {
@f_folders = grep !/$exclude/,@f_folders;
print "Excluding folders matching pattern '$exclude'\n";
}
}
my($f_sep,$t_sep);
# what are the private folders separators for each server ?
$debug and print "Getting separators\n";
$f_sep = get_separator($from, $sep1, "--sep1");
$t_sep = get_separator($to, $sep2, "--sep2");
sub get_separator {
my($imap, $sep_in, $sep_opt) = @_;
my($sep_out);
$debug and print "Calling namespace capability\n";
if ($imap->has_capability("namespace")) {
# Less complicated call. Must be tested
# before uncommenting definitively.
$sep_out = $imap->separator();
#$sep_out = $imap->namespace()->[0][0][1];
}elsif ($sep_in) {
$sep_out = $sep_in;
}else{
print
"No NAMESPACE capability in imap server ",
$imap->Server(),"\n",
"Give the separator caracter with the $sep_opt option\n";
exit(1);
}
return($sep_out);
}
print "From separator : [$f_sep]\n";
print "To separator : [$t_sep]\n";
exit if ($justconnect);
# needed for setting flags
# my $tohasuidplus = $to->has_capability("UIDPLUS");
@t_folders = sort @{$to->folders()};
for (my $i=0; $i<scalar(@t_folders); $i++) # whr (ESS/PRW)
{
if ( $t_folders[$i] =~ /^INBOX\/INBOX$/ )
{
$t_folders[$i] = "INBOX";
}
}
print
"From folders : ", map("[$_] ",@f_folders),"\n",
"To folders : ", map("[$_] ",@t_folders),"\n";
print
"From subscribed folders : ", map("[$_] ", sort keys(%fs_folders)), "\n";
sub separator_invert {
my $o_sep="\000";
my($f_fold, $f_sep, $t_sep) = @_;
my $t_fold = $f_fold;
$t_fold =~ s@\Q$t_sep@$o_sep@g;
$t_fold =~ s@\Q$f_sep@$t_sep@g;
$t_fold =~ s@\Q$o_sep@$f_sep@g;
return($t_fold);
}
FOLDER: foreach my $f_fold (@f_folders) {
my $t_fold;
print "From Folder [$f_fold]\n";
$t_fold = separator_invert($f_fold,$f_sep, $t_sep);
$t_fold = $prefix2 . $t_fold if ($prefix2);
$t_fold='INBOX' if ($t_fold eq 'INBOX/INBOX'); # whr (ESS/PRW)
print "To Folder [$t_fold]\n";
unless ($from->select($f_fold)) {
warn
"From Folder $f_fold : Could not select ",
$from->LastError, "\n";
$error++;
next FOLDER;
}
unless ($to->exists($t_fold) or $to->select($t_fold)) {
print "To Folder $t_fold does not exist\n";
print "Creating folder [$t_fold]\n";
unless ($dry){
unless ($to->create($t_fold)){
warn "Couldn't create [$t_fold]",
$to->LastError,"\n";
$error++;
next FOLDER;
}
$to->subscribe($t_fold); # whr (ESS/PRW)
$to->setacl($t_fold,'root','c'); # whr (ESS/PRW)
}else{
next FOLDER;
}
}
unless ($to->select($t_fold)) {
warn
"To Folder $t_fold : Could not select ",
$to->LastError, "\n";
$error++;
next FOLDER;
}
if ($expunge){
print "Expunging $f_fold and $t_fold\n";
unless($dry) { $from->expunge() };
unless($dry) { $to->expunge() };
}
if ($subscribe and exists $fs_folders{$f_fold}) {
print "Subscribing to folder $t_fold on destination server\n";
unless($dry) { $to->subscribe($t_fold) };
}
my @f_msgs = $maxage ? $from->since(time - 86400 * $maxage) : $from->search("ALL");
$debug and print "LIST FROM : @f_msgs\n";
# internal dates on "TO" are after the ones on "FROM"
# normally...
my @t_msgs = $maxage ? $to->since(time - 86400 * $maxage) : $to->search("ALL");
$debug and print "LIST TO : @t_msgs\n";
my %f_hash = ();
my %t_hash = ();
$debug and print "From Parse\n";
foreach my $m (@f_msgs) {
parse_header_msg($m, $from, "F", \%f_hash);
}
$debug and print "To Parse\n";
foreach my $m (@t_msgs) {
parse_header_msg($m, $to, "T", \%t_hash);
}
$debug and print "Verifying\n";
# messages in "from" that are not good in "to"
MESS: foreach my $m_id (keys(%f_hash)) {
my $f_size = $f_hash{$m_id}{'s'};
my $f_msg = $f_hash{$m_id}{'m'};
if (defined $maxsize and $f_size > $maxsize) {
print "Skipping msg #$f_msg:$f_size in folder $f_fold (exceeds maxsize limit $maxsize bytes)\n";
$mess_size_total_skipped += $f_msg;
next MESS;
}
$debug and print "key $m_id #$f_msg\n";
unless (exists($t_hash{$m_id})) {
print "NO msg #$f_msg [$m_id] in $t_fold\n";
# copy
print "Copying msg #$f_msg:$f_size to folder $t_fold\n";
unless ($dry) {
my $string = $from->message_string($f_msg);
my $d = $from->internaldate($f_msg);
$d = "\"$d\"";
$debug and print "internal date from 1: [$d]\n";
$syncinternaldates or $d = "";
my $flags_f = join(" ", @{$from->flags($f_msg)});
# RFC 2060 : This flag can not be altered by the client
$flags_f =~ s@\\Recent@@g;
my $new_id;
print "flags from : [$flags_f][$d]\n";
unless($new_id = $to->append_string($t_fold,$string, $flags_f, $d)){
warn "Couldn't append msg #$f_msg (Subject: ".$from->subject($f_msg).") to folder $t_fold: ",
$to->LastError, "\n";
$error++;
$mess_size_total_error += $f_size;
next MESS;
}else{
# good
# $new_id is an id if the IMAP server has the
# UIDPLUS capability else just a ref
print "Copied msg id [$f_msg] to folder $t_fold msg id [$new_id]\n";
$mess_size_total_trans += $f_size;
}
}
next MESS;
}else{
$debug and print "Message id [$m_id] found in t:$t_fold\n";
$mess_size_total_skipped += $f_size;
}
#$debug and print "MESSAGE $m_id\n";
my $t_size = $t_hash{$m_id}{'s'};
my $t_msg = $t_hash{$m_id}{'m'};
$debug and print "Setting flags\n";
my (@flags_f,@flags_t);
@flags_f = @{$from->flags($f_msg)};
# No flag \Recent here, no ?
$to->store($t_msg,
"+FLAGS (" . join(" ", @flags_f) . ")"
);
@flags_t = @{$to->flags($t_msg)};
$debug and print
"flags from : @flags_f\n",
"flags to : @flags_t\n";
$debug and print "Looking dates\n";
my $d_f = $from->internaldate($f_msg);
my $d_t = $to->internaldate($t_msg);
$debug and print
"idate from : $d_f\n",
"idate to : $d_t\n";
#unless ($d_f eq $d_t) {
# print "!!! Dates differ !!!\n";
#}
unless ($f_size == $t_size) {
# Bad size
print
"Message $m_id SZ_BAD f:$f_msg:$f_size t:$t_msg:$t_size\n";
# delete in to and recopy ?
# NO recopy CODE HERE. to be written if needed.
$error++;
if ($opt_G){
print "Deleting msg f:#$t_msg in folder $t_fold\n";
$to->delete_message($t_msg);
}
}else {
# Good
$debug and print
"Message $m_id SZ_GOOD f:$f_msg:$f_size t:$t_msg:$t_size\n";
if($delete) {
print "Deleting msg #$f_msg in folder $f_fold\n";
$from->delete_message($f_msg);
}
}
}
}
stats();
exit(1) if($error);
sub stats {
print "Total bytes transfered : $mess_size_total_trans\n";
print "Total bytes skipped : $mess_size_total_skipped\n";
print "Total bytes error : $mess_size_total_error\n";
print "Detected $error errors\n";
print "Please, rate imapsync at http://freshmeat.net/projects/imapsync/\n";
}
sub get_options
{
my $numopt = scalar(@ARGV);
my $opt_ret = GetOptions(
"debug!" => \$debug,
"debugimap!" => \$debugimap,
"host1=s" => \$host1,
"host2=s" => \$host2,
"port1=i" => \$port1,
"port2=i" => \$port2,
"user1=s" => \$user1,
"user2=s" => \$user2,
"password1=s" => \$password1,
"password2=s" => \$password2,
"passfile1=s" => \$passfile1,
"passfile2=s" => \$passfile2,
"authmd5!" => \$authmd5,
"sep1=s" => \$sep1,
"sep2=s" => \$sep2,
"folder=s" => \@folder,
"include=s" => \$include,
"exclude=s" => \$exclude,
"prefix2=s" => \$prefix2,
"delete!" => \$delete,
"syncinternaldates!" => \$syncinternaldates,
"maxsize=i" => \$maxsize,
"maxage=i" => \$maxage,
"dry!" => \$dry,
"expunge!" => \$expunge,
"subscribed!" => \$subscribed,
"subscribe!" => \$subscribe,
"justconnect!"=> \$justconnect,
"version" => \$version,
"help" => \$help,
"timeout=i" => \$timeout, # whr (ESS/PRW)
);
$debug and print "get options: [$opt_ret]\n";
# just the version
print "$VERSION\n" and exit if ($version) ;
# exit with --help option or no option at all
usage() and exit if ($help or ! $numopt) ;
# don't go on if options are not all known.
exit(EX_USAGE()) unless ($opt_ret) ;
}
sub parse_header_msg {
my ($m, $imap, $s, $s_hash) = @_;
$debug and print "-" x 50, "\nMSG $m\n";
my $head = $imap->parse_headers($m,"ALL");
my $headstr;
$debug and print "Head NUM:", scalar(keys(%$head)), "\n";
return unless(scalar(keys(%$head)));
foreach my $h (sort keys(%$head)){
foreach my $val ( @{$head->{$h}}) {
# no 8-bit data in headers !
$val =~ s/[\x80-\xff]/X/g;
$debug and print "${s}H $h:", $val, "\n";
$headstr .= "$h:". $val;
}
}
my $m_md5 = md5_base64($headstr);
my $size = $imap->size($m);
$debug and print "$s msg $m:$m_md5:$size\n";
$s_hash->{"$m_md5:$size"}{'5'} = "$m_md5:$size";
$s_hash->{"$m_md5:$size"}{'s'} = $size;
$s_hash->{"$m_md5:$size"}{'m'} = $m;
}
sub firstline {
# extract the first line of a file (without \n)
my($file) = @_;
my $line = "";
open FILE, $file or die("$! $file");
chomp($line = <FILE>);
close FILE;
$line = ($line) ? $line : "!EMPTY! $file";
return $line;
}
sub usage {
print <<EOF;
usage: $0 [options]
Several options are mandatory.
--host1 <string> : "from" imap server. Mandatory.
--port1 <int> : port to connect. Default is 143.
--user1 <string> : user to login. Mandatory.
--password1 <string> : password for the user1. Dangerous, use --passfile1
--passfile1 <string> : password file for the user1. Contains the password.
--host2 <string> : "destination" imap server. Mandatory.
--port2 <int> : port to connect. Default is 143.
--user2 <string> : user to login. Mandatory.
--password2 <string> : password for the user2. Dangerous, use --passfile2
--passfile2 <string> : password file for the user2. Contains the password.
--noauthmd5 : don't use MD5 authentification
--folder <string> : sync only this folder.
--folder <string> : and this one.
--folder <string> : and this one, etc.
--include <regex> : only sync folders matching this regular expression
(only effective if neither --folder nor --subscribed
is specified)
--exclude <regex> : skip folders matching this regular expression
(only effective if neither --folder nor --subscribed
is specified)
--prefix2 <string> : add prefix to all destination folders
(usually INBOX. for cyrus imap servers)
--sep1 <char> : separator in case namespace is not supported.
--sep2 <char> : idem.
--delete : delete messages in "from" imap server after
a successful transfert. useful in case you
want to migrate from one server to another one.
With imap, delete tags messages as deleted, they
are not really deleted. See expunge.
--expunge : expunge messages on both account.
expunge delete messages marked deleted.
expunge is made at the begining so newly
transfered messages won't be expunged.
--syncinternaldates : set the internal dates on host2 same as host1
--maxsize <int> : skip messages larger than <int> bytes
--maxage <int> : skip messages older than <int> days.
final stats (skipped) don't count older messages
--dry : do nothing, just print what would be done.
--subscribed : transfer only subscribed folders.
--subscribe : subscribe to the folders transfered on the
"destination" server that are subscribed
on the "source" server.
--debug : debug mode.
--debugimap : imap debug mode.
--version : print sotfware version.
--justconnect : just connect to both servers and print useful
information.
--timeout <int> : imap connect timeout.
--help : print this.
Example: to synchronise imap account "foo" on "imap.truc.org"
to imap account "bar" on "imap.trac.org"
$0 \\
--host1 imap.troc.org --user1 foo --passfile1 /etc/secret1 \\
--host2 imap.trac.org --user2 bar --passfile2 /etc/secret2
Mail::IMAPClient version is $Mail::IMAPClient::VERSION
$rcs
imapsync copyleft is the GNU General Public License.
See http://www.gnu.org/copyleft/gpl.html
EOF
}
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