Migration Manager - POP Troubles

[futureweb]

Hello,

we are in the progress of migrating an old Plesk Server to Version 11 and got a Problem with POP3 migration.
Old Plesk uses QMail + Courier
New Plesk uses Postfix + Courier

When migrating boxes with Mails left on the Server - all E-Mail which already have been downloaded to the client will be downloaded again - ending up with a complete Mess in the Mail Client (sometimes thousands of E-Mails get redownloaded - all unread in the inbox)

It seems like the UIDLs are lost - Is there any possibility to avoid this problem?

Thank you

 

[abdi]

I don't think there's ...however you can use rsync to make sure ALL data in /var/qmail/mailnames on OLD server is exact same as on the NEW server, same location to begin with.

 

[futureweb]

Guess new Courier Version won't recognize the old UIDL when we just rsync the whole directory structure! :-/
Can it be we are the only provider having this "massive" problem when upgrading Plesk?

Not that easy to tell hundreds of customers that they can redownload thousands of E-Mails because we are upgrading their Server ...