KB Article #67822
Not able to connect to SFTP, FTP, and FTPS servers with Secure Relay
Problem
Resolution
-- Using Secure Relay for routing inbound and outbound messages causes some problems when using a Load Balancer
-- Using Secure Relay with active and passive mode FTP, SFTP, and FTPS
Resolution
1. Go to, 'Configure outbound connection proxy via Secure Relay'
2. check 'Use outbound connection proxy'