sshpass scp host key verification failed code example
Example: scp HostKeyVerification=false
scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -r $source $user@$host:$destination
scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -r $source $user@$host:$destination