>I'm looking for an SFTP (thus not just FTP) solution to upload files to another server.
>It should monitor a folder and automatically upload files and delete them (or move them to another folder).
>
>Has anydone done this before?

I am using Rebex SFTP control.

I am using their .NET version. I do not know if they have other environments supported. IAC, you can still have your FTP application talk to another component, built in .NET, to serve that purpose.