<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi,<div><br></div><div>The non-blocking error is:</div><div><div>doveadm(user1s@domain): Error: Saved sync state is invalid, falling back to full sync: Invalid base64 data</div></div><div><br></div><div>This error occurs every time on my test machine (no traffic, only a few test messages). That error sometime also occurs on my production system, but not each time. </div><div><br></div><div>The command I used for the first time is : doveadm backup -A -s "" -d > state.txt</div><div>After that there is a daily calls (as vmail user, my config only handle virtual users) to : </div><div>doveadm backup -A -s "$(<state.txt)" -d > state.txt.tmp && mv state.txt.tmp state.txt</div><div><br></div><div>doveconf -n output is available at <a href="https://www.f-hamelin.fr/pub/doveadm-backup-doveconf.txt">https://www.f-hamelin.fr/pub/doveadm-backup-doveconf.txt</a></div><div><br></div><div>Any help will be welcomed </div><div>Best regards,</div><div>Franck </div></body></html>