On 1/23/25 1:41 PM, cdm...@yahoo.com wrote:
In your working example you are connecting as root but in your dsync example your user is 
remoteprefix:root.  Try removing the "remoteprefix:" which is being treated as 
part of the user name.


If I take off the "remoteprefix" it logs in, but it doesn't send the user to the other end, the wrapper script on mail.borg.org gets "VERSION dsync 3 5" as the parameter.

root@la:/etc/dovecot# doveadm sync  -u kentborg -1 ssh -i /root/.ssh/id_rsa_rc.borg.org.dsync r...@mail.borg.org
Error: Extraneous arguments found: 3 5
doveadm(kentborg)<1052944><mEMeJ8i9kmcQERAAA8+vgQ>: Error: read(remote) failed: EOF (version not received) doveadm(kentborg)<1052944><mEMeJ8i9kmcQERAAA8+vgQ>: Error: Remote command returned error 64: ssh -i /root/.ssh/id_rsa_rc.borg.org.dsync r...@mail.borg.org dsync-server root@la:/etc/dovecot# doveadm sync  -u kentborg -1 ssh -i /root/.ssh/id_rsa_rc.borg.org.dsync remoteprefix:r...@mail.borg.org
remoteprefix:r...@mail.borg.org's password:

According to the man page, that should be the destination:

ARGUMENTS
       destination
              This argument specifies the synchronized destination.  It can be
              one of:

              location
                     Same as mail_location setting, e.g. maildir:~/Maildir

              remote:login@host
                     Uses dsync_remote_cmd setting to connect to  the  remote
                     host (usually via ssh)

              remoteprefix:login@host
                     This  is  the  same  as remote, except "user@domain\n" is                      sent before dsync protocol starts.   This allows  imple‐                      menting  a  trusted  wrapper  script  that runs  doveadm                      dsync-server by reading the username from the first line.

              tcp:host[:port]
                     Connects to remote doveadm server via TCP.   The  default
                     port is specified by doveadm_port setting.

              tcps:host[:port]
                     This is the same as tcp, but with SSL.

              command [arg1 [, arg2, ...]]
                     Runs  a  local command that connects its standard input &
                     output to a dsync server.


One of the examples on the man page is:

doveadm sync -u usern...@example.com ssh -i id_dsa.dovecot \
              mailu...@example.com doveadm dsync-server -u usern...@example.com

Which I don't understand. What is "mailu...@example.com"? What are the two parameters and the option after that?


Their simpler example:

doveadm sync -u usern...@example.com remote:server-replica.example.com
Makes much more sense, but I can't find anything based on that example works.

Does "doveadm sync" maybe not work in version 2.3.19.1?

root@la:/etc/dovecot# dovecot --version
2.3.19.1 (9b53102964)

Thanks,

-kb, the Kent who would love to see some working "doveadm sync" examples.


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