export mailboxes.db:
su - cyrus -c 'ctl_mboxlist -d > cyrus_mboxlist.txt
export seen databases:
su - cyrus -c 'for seenfile in `find /var/lib/imap/user -name \*.seen`; do \
/usr/lib/cyrus/bin/cvt_cyrusdb $seenfile skiplist ${seenfile%seen}txt flat; \
done'
export deliver.db: (check for your format, here is berkeley-nosync)
su - cyrus -c '/usr/lib/cyrus/bin/cvt_cyrusdb /var/lib/imap/deliver.db \
berkeley-nosync /var/lib/imap/deliver.txt flat'
Copy these files and all mailboxes to the new cyrus server, import and reconstruct mailboxes:
stop cyrus
remove old things:
rm /var/lib/imap/db/*
rm /var/lib/imap/tls_sessions.db
rm /var/lib/imap/mailboxes.db
rm /var/lib/imap/deliver.db
find /var/lib/imap/ -type f -name *.seen | xargs rm
check if all files ae owned by cyrus:mail
import mailboxes.db:
su - cyrus -c 'ctl_mboxlist -u <cyrus_mboxlist.txt'
reconstruct mailboxes:
cyrreconstruct -r user
import seen databases:
su - cyrus -c 'for txtfile in `find /var/lib/imap/user -name \*.txt`; do \
/usr/lib/cyrus/bin/cvt_cyrusdb $txtfile flat ${txtfile%txt}seen skiplist; \
done'
import deliver.db:
su - cyrus -c '/usr/lib/cyrus/bin/cvt_cyrusdb /var/lib/imap/deliver.txt \
flat /var/lib/imap/deliver.db berkeley-nosync'
start cyrus
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