Re: including password in script - error 'host not found'
See documentation:
https://winscp.net/eng/docs/scripting#syntax
https://winscp.net/eng/docs/scripting#syntax
:DTry removing the /log switch.
you are doing it the right way.
Try to ping your sft host what do you get?
from command prompt ping sft.domain.com
Are you sure you typed the correct sftp site? are you sure it is .com and not something else