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Where directoryname represents the underlying directory. The directory name is a relative path. Absolute path's is not supported. The relative path can contain nested folders, such as /inbox/us. The directoryName must exist already as this component does not support the autoCreate option (which the file component does). The reason is that its the FTP administrator (FTP server) task to properly setup user accounts, and home directories with the right file permissions etc. 

If no username is provided, then anonymous login is attempted using no password.
If no port number is provided, Camel will provide default values according to the protocol (ftp = 21, sftp = 22, ftps = 2222).

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