won't send the next file on queues

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yes i can fxp to certain sites but for a few sites i couldn't ..and for some i can't send next the file on queues.. the site where i'm sending to is using port 21 and the site i'm sending from is port 1666.. i also put a check on limit port range to 1024 - 2048 and bind sockets to ip. i fowarded those ports on my router