We are evaluating VisualCron. Trying to connect to an internal server and download a file does nto work. Any ideas?

220 Microsoft FTP Service

USER saTransfers
331 Password required for saTransfers.

PASS ********
230 User saTransfers logged in.

FEAT
211-FEAT
SIZE
MDTM
211 END

SYST
215 Windows_NT

PWD
257 "/" is current directory.

PWD
257 "/" is current directory.

PWD
257 "/" is current directory.

PWD
257 "/" is current directory.

CWD /SoundBite
250 CWD command successful.

PWD
257 "/SoundBite" is current directory.

TYPE A
200 Type set to A.

PASV
227 Entering Passive Mode (192,168,160,21,16,252).

LIST
425 Can't open data connection.

Please turn on extended debugging (Server->Settings->Log) and then run it again. Send the file log_serverDATE.txt to support@visualcron.com

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With the help of VisualCron support, we examined the detailed server logs. It appears our FTP server does not allow LIST commands