The majority of banks prefer that you send the file to them by logging into the bank’s website and uploading the file directly to them. You will need to contact your bank to acquire your login credentials.
With the Bank Positive Pay Automation, ACH Corporate and Processor level you can use the built in SFTP client to automatically send the file to the bank. However, most banks do not support this method. The majority of banks prefer that you upload the file to them through their website.