• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

IMAP folder subscriptions lost after Plesk repair/reinstallation

Azurel

Silver Pleskian
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TITLE

IMAP folder subscriptions lost after Plesk repair/reinstallation

PRODUCT, VERSION, OPERATING SYSTEM, ARCHITECTURE

Plesk 18.0.80#1, AlmaLinux 8.19

PROBLEM DESCRIPTION

After accidentally removing Plesk packages with dnf, I restored Plesk using the repair/reinstallation process. Mail data and mailboxes were intact, but some IMAP folder subscriptions were missing afterwards.


Example:

doveadm mailbox list -u [email protected]

showed:
INBOX.ABC
INBOX.DEF

but:

doveadm mailbox list -u [email protected] -s

did not show all folders.

Re-subscribing the folders in the IMAP client fixed the issue.

Is this expected behavior after a Plesk repair/reinstallation, and is there a recommended procedure to preserve IMAP subscriptions?

STEPS TO REPRODUCE

1. Remove Plesk packages using dnf.
2. Restore the Plesk installation using the Plesk repair/reinstallation process.
3. Verify that mailboxes and mail data are still present.
4. Connect an IMAP client to an existing mailbox.
5. Notice that some previously existing IMAP folders are no longer visible.
6. Check the mailbox on the server:
doveadm mailbox list -u [email protected]
The missing folder is still listed.
7. Check IMAP subscriptions:
doveadm mailbox list -u [email protected] -s
The missing folder is not listed.
8. Subscribe to the folder again in the mail client. The folder becomes visible again.

ACTUAL RESULT

After the Plesk repair/reinstallation, some users no longer see previously existing IMAP folders in their mail clients.The folders and emails still exist on the server, but the IMAP folder subscriptions are missing.

EXPECTED RESULT

After a Plesk repair/reinstallation, existing mailboxes, messages, IMAP folder structure, and IMAP subscriptions should remain unchanged. Users should see the same IMAP folders in their mail clients as before the repair process without manually subscribing to folders again.

ANY ADDITIONAL INFORMATION

(DID NOT ANSWER QUESTION)

YOUR EXPECTATIONS FROM PLESK SERVICE TEAM

Confirm bug
 
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