Have you seen https://doc.dovecot.org/2.3/admin_manual/migrating_mailboxes/ ? This will probably be helpful.
Aki
On 21/02/2025 04:38 EET Mike via dovecot <dovecot@dovecot.org> wrote:
Hello, First post, and yes Ive searched the archives and didn't find an answer. Sorry if this is old hat but...
I am trying build a new mailserver (iredmail) and import messages from the old server (old old iredmail), and convert from dbox to maildir in the process. I have previously used doveadm sync successfully several years/versions ago with a master user and imapc:. Now however, Im getting errors that don't make sense to me.
doveadm -D -c /etc/dovecot/dovecot.conf sync -1 -R -u example@example.com imapc:
results in: dsync(example@example.com): Info: imapc(mail.example.com:993): Connected to 192.0.2.1:993 (local 192.0.2.1:51732) dsync(example@example.com): Error: Mail locations must use the same hierarchy separator (specify namespace prefix="" { separator } explicitly)
I have tried all sorts of chicanery including testing every combination of "" and / and . for each of prefix and separator in dovecot.conf, no dice. I am refraining from providing full debug dump/config files since this seems excessive if this is a config file issue, but will do so upon your advice if requested.
Thank you. Hello, First post, and yes Ive searched the archives and didn't find an answer. Sorry if this is old hat but...
I am trying build a new mailserver (iredmail) and import messages from the old server (old old iredmail), and convert from dbox to maildir in the process. I have previously used doveadm sync successfully several years/versions ago with a master user and imapc:. Now however, Im getting errors that don't make sense to me.
doveadm -D -c /etc/dovecot/dovecot.conf sync -1 -R -u example@example.com imapc:
results in: dsync(example@example.com): Info: imapc(mail.example.com:993): Connected to 192.0.2.1:993 (local 192.0.2.1:51732) dsync(example@example.com): Error: Mail locations must use the same hierarchy separator (specify namespace prefix="" { separator } explicitly)
I have tried all sorts of chicanery including testing every combination of "" and / and . for each of prefix and separator in dovecot.conf, no dice. I am refraining from providing full debug dump/config files since this seems excessive if this is a config file issue, but will do so upon your advice if requested.
Thank you.
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