<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 30. Jul 2020, at 19.33, Aki Tuomi <<a href="mailto:aki.tuomi@open-xchange.com" class="">aki.tuomi@open-xchange.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="Apple-interchange-newline">On 30/07/2020 19:29 Justin Coleman <<a href="mailto:jmcoleman@gmail.com" class="">jmcoleman@gmail.com</a>> wrote:<br class=""><br class=""><br class="">Hi folks,<br class="">I have an old server running qmail with several years of mails in maildir format I want to migrate to a new server, without requiring fresh client download of everything.<br class=""><br class="">Old server is debian 6(?). Local IP is 192.168.0.1.<br class="">New server is Debian 10, local IP is 192.168.0.25.<br class=""><br class="">I have dovecot 2.3.4.1 (latest from apt stable) installed and apparently working - if I manually copy the home directory for my account, I can connect (using thunderbird) and I get all the emails appearing as new, forcing redownload. Seems like the new config is at least functional.<br class=""><br class="">I'm trying to follow the migration guide at <a href="https://wiki2.dovecot.org/Migration/Dsync" class="">https://wiki2.dovecot.org/Migration/Dsync</a>, but I am getting an error message:<br class="">root@newserver:~# doveadm backup -R -u _user_ -o pop3c_user=_user_ -o pop3c_password=_password_<br class="">backup: invalid option -- 'o'<br class="">doveadm backup [-u <user>|-A] [-S <socket_path>] [-fPRU] [-l <secs>] [-r <rawlog path>] [-m <mailbox>] [-g <mailbox_guid>] [-n <namespace> | -N] [-x <exclude>] [-s <state>] [-t <start date>] -d|<dest><br class=""><br class=""></blockquote><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">doveadm -o pop3c_user=_user_ -o pop3c_password=_password_ backup -R -u _user_ pop3c:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""></div></blockquote></div><br class=""><div class=""><br class=""></div><div class="">Also I suggest to migrate over imap, not pop3. With pop3 migration you can't save the imap uid:s and all clients will see the mails as new.</div><div class=""><br class=""></div><div class="">Sami</div><div class=""><br class=""></div></body></html>