<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hey,<br><br><o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>for an import between two servers i would use imapsync. With doveadm flag (https://wiki.dovecot.org/Tools/Doveadm/Flags) you can mark the mails as unseen but be careful here, you can simple overwrite all other flags here too, maybe an other way is better here. <o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>With doveadm backup / doveadm sync you can convert the mails between the formats like this way:<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>dsync backup -u "<user>" maildir:~/maildir-NEW<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>after converting the mails you can rename the mdbox folder to mdbox-OLD or something (backup) and rename the maildir-NEW folder to maildir<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal>Yours sincerely<o:p></o:p></p><p class=MsoNormal>Pascal Rudolf<o:p></o:p></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=525 style='width:393.75pt;background:white;border-collapse:collapse'><tr><td width=125 valign=top style='width:93.75pt;border:none;border-right:solid #FF600D 1.0pt;padding:0cm 7.5pt 0cm 0cm'><p class=MsoNormal><o:p> </o:p></p></td><td style='padding:0cm 0cm 0cm 7.5pt'><p class=MsoNormal><o:p> </o:p></p></td></tr></table><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>Von:</b> dovecot <dovecot-bounces@dovecot.org> <b>Im Auftrag von </b>Odhiambo Washington<br><b>Gesendet:</b> Donnerstag, 24. September 2020 15:25<br><b>An:</b> Dovecot Mailing List <dovecot@dovecot.org><br><b>Betreff:</b> Importing Mail<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi good people,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I have an old server that holds old mail (mdbox) and a new server that also uses mdbox.<o:p></o:p></p></div><div><p class=MsoNormal>I'd like to import the old mail from the old server into the live/new server. The imported mail should not be treated as new mail for the existing mail accounts.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>What is the best way to achieve this?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Lastly, is there a way to convert mdbox to Maildir?<o:p></o:p></p></div><div><p class=MsoNormal><br clear=all><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><div><div><div><div><p class=MsoNormal>Best regards,<br>Odhiambo WASHINGTON,<br>Nairobi,KE<br>+254 7 3200 0004/+254 7 2274 3223<br>"<span style='font-size:9.5pt'>Oh, the cruft.", grep ^[^#] :-)</span><o:p></o:p></p></div></div></div></div></div></div></div></div></body></html>