Folders are recognized differently when importing messages.

[jclab-joseph]

Maildir structure:

drwx------ 12 joseph joseph     4096  7월 30 10:32 .
drwxrwxr-x  3 joseph joseph     4096  7월 30 17:55 ..
drwx------  5 joseph joseph     4096  3월  4  2021 .Archive
drwx------  5 joseph joseph     4096  8월 22  2024 .Archive.2023
drwx------  5 joseph joseph     4096  4월 25 10:08 .Archive.2025
drwx------  5 joseph joseph     4096  7월 24 16:09 .Drafts
drwx------  5 joseph joseph     4096  7월 25 19:50 .Junk
drwx------  5 joseph joseph     4096  7월 30 10:32 .Sent
drwx------  5 joseph joseph     4096  7월 29 21:39 .Trash
drwx------  2 joseph joseph  1429504  7월 30 10:32 cur
-rw-------  1 joseph joseph       61  7월 14  2023 dovecot-keywords
-rw-------  1 joseph joseph  1038562  7월 30 10:20 dovecot-uidlist
-rw-------  1 joseph joseph        8  4월 25 10:08 dovecot-uidvalidity
-r--r--r--  1 joseph joseph        0  6월  4  2019 dovecot-uidvalidity.5cf5fe17
-rw-------  1 joseph joseph   287128  7월 29 21:09 dovecot.index
-rw-------  1 joseph joseph 13164000  7월 30 10:20 dovecot.index.cache
-rw-------  1 joseph joseph    21812  7월 30 10:32 dovecot.index.log
-rw-------  1 joseph joseph    32872  7월 28 23:37 dovecot.index.log.2
-rw-------  1 joseph joseph    53601 11월  3  2021 dovecot.index.thread
-rw-------  1 joseph joseph     1048  7월 17 20:50 dovecot.list.index
-rw-------  1 joseph joseph     7232  7월 30 10:32 dovecot.list.index.log
-rw-------  1 joseph joseph      288  4월 25 10:08 dovecot.mailbox.log
drwx------  2 joseph joseph     4096  7월 30 10:20 new
-rw-------  1 joseph joseph       63  4월 25 10:08 subscriptions
drwx------  2 joseph joseph     4096  7월 30 10:20 tmp

Subscription:

Trash
Sent
Drafts
Archive
Archive.2023
Junk
INBOX
Archive.2025

Imported messages are imported into folders such as .Sent / .Trash, and the folders created in the stalwart are Sent Items and Deleted Items.

How do I import this correctly?

[mdecimus]

You can try using imapsync to import your mailbox.