Thanks for your suggestion.  As i don't want to own/manage my own AWS environment.  Does Adobe S3 at AWS also enabled the AWS S3 sftp service?  Then i can directly to send the files via sftp from my on-perm machines. 

Thanks for your reponse.  I should ask how to automate the file transfer from my machine to AAM S3 bucket.  Even provsion an S3 account for me, i cannot automate the file transfer from my machine to AAM S3 bucket.  I just know i can automate sftp job to do file transfer from my machine.  Any option ...

i am not using AWS, so how can send the Inbound Customer Data Ingestion file to AAM S3 bucket?

Can i use sftp to send the sftp Inbound Customer Data Ingestion file to AAM S3 bucket?