I'm having the same problem - This is whats coming up. I've tried other sites to upload to and other FTP programs but it's still the same.
SmartFTP v1.1.984.17
Resolving host name
www.barbwire-press.com...
Connecting to (
www.barbwire-press.com) -> IP: 67.15.131.24 PORT: 21
Connection timeout. No response from server.
Active Help Link:
https://www.smartftp.com/support/kb/58
Cannot login waiting to retry (30s)...
Continue to login attempt 2...
Connecting to (
www.barbwire-press.com) -> IP: 67.15.131.24 PORT: 21