Thanks for the hint. Now i'm using the IP-Address from the server and it works. But now i have a second problem: The IMAP-Account is an internal archive, that has only the folder "Privat". In X1 i can't see this folder and i only find 1 Mail (the oldest one). What should i do?
Maybe i should explain this: I'm using the software Mailstore http://www.mailstore.com/. This software has an integrated IMAP-Server. So i can search the archives from Mailstore with X1. But there is, for example, an archive, that only has one folder called "Privat" and i can't see this folder or any mail from this folder in X1. Only one Mail - the oldest one - from this Folder is in the Inbox, but i don't know, why.
Maybe i should explain this: I'm using the software Mailstore http://www.mailstore.com/. This software has an integrated IMAP-Server. So i can search the archives from Mailstore with X1. But there is, for example, an archive, that only has one folder called "Privat" and i can't see this folder or any mail from this folder in X1. Only one Mail - the oldest one - from this Folder is in the Inbox, but i don't know, why.