I'm using sstock4.x10hosting.com. Following is the connection log:
Status: Resolving address of simstock4.x10hosting.com
Status: Connecting to 69.162.115.253:21...
Status: Connection established, waiting for welcome message...
Response: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
Response: 220-You are user number 4 of 50 allowed.
Response: 220-Local time is now 07:19. Server port: 21.
Response: 220-This is a private system - No anonymous login
Response: 220-IPv6 connections are also welcome on this server.
Response: 220 You will be disconnected after 15 minutes of inactivity.
Command: USER sstock4
Response: 331 User sstock4 OK. Password required
Command: PASS ********
Response: 530 Login authentication failed
Error: Critical error
Error: Could not connect to server
Edit:
Oh, I tried lotus.x10hosting.com, and it works now.
Thank you!