<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I did what Aki said. Actually I moved it all to a new server and to docker containers. From Dovecot 2.2 to 2.3. And it worked fine. Of course one always forget something - the path for the certificates, the different directory for mounting storage, etc. <div><br></div><div>But am surprise and happy that it worked very well. <br><br><div dir="ltr"><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span"><font class="Apple-style-span"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span"><b style="background-color: rgba(255, 255, 255, 0);">__</b></font></div></font></font></div><div style="background-color: rgba(255, 255, 255, 0); word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span"><font class="Apple-style-span"><b>Francis Augusto Medeiros-Logeay</b><br></font></font></div></span></div></span><div><span style="background-color: rgba(255, 255, 255, 0);"><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span">Oslo, Norway</font></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><font class="Apple-style-span"><i>Sent from a mobile device / Enviado a partir de dispositivo móvel</i></font></div></span></div></span></span></div></div><div dir="ltr"><br><blockquote type="cite">On 29 May 2020, at 19:33, Aki Tuomi <aki.tuomi@open-xchange.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><span></span><br><blockquote type="cite"><span>On 29/05/2020 20:12 Ralph Seichter <abbot@monksofcool.net> wrote:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>* David Mehler:</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><blockquote type="cite"><span>I'd ideally like to back up all the mails in the maildir location,</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>copy that over, load in my configuration files, and bring the system</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>back up.</span><br></blockquote></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I don't think this qualifies as "ideal" for migration. My recommendation</span><br></blockquote><blockquote type="cite"><span>is to set up the new server and configure Dovecot replication (see Wiki).</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>If you configured things correctly, migration will happen without</span><br></blockquote><blockquote type="cite"><span>further intervention, and if there is a problem, you can resolve it in</span><br></blockquote><blockquote type="cite"><span>your own time, without damaging the existing server and data.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>-Ralph</span><br></blockquote><span></span><br><span>If your directory structure *and* namespace structure stays the same, you can rsync files over.</span><br><span></span><br><span>If you are going to change anything, do as Ralph suggests.</span><br><span></span><br><span>Aki</span><br></div></blockquote></div></body></html>