Virtual FTP Hosts

Hi,

With IIS 8 I've setup a bunch of virtual ftp hosts, actually websites with ftp enabled on them, enabled useDomainNameAsHost (true), specified the hostname during ftp setup, and when i click bindings its all setup properly. I can login using mydomain.com|username

but mydomain.com\username gives me the 530 Valid host name is expected error. Tried it on all my websites but none work except for the pipe symbol.

Am I missing something?

Thanks