FTP account authentification error

[joguerder]

Hello,

I install ISPConfig yesterday, all work, except that the username and password are denied FTP. I am told that the username or password is incorrect.
However, this did it to all my clients and after checking it does not work for me.
I use PureFTPd and ISPConfig 3. Do you have any ideas to help me?

Thank you very much,
Jordan