perForms: Email Check not working? Please help! - Joomla! Forum - community, help and support

dear sir/madam,
thank wonderful form component performs!

i have 1 problem:
- i'm using component in japanese website , have email field in form.
- have set email check field , added error message in error message field.
- however, when tested email field typing non-email format, eg. 'tt', error message not display.
- other fields on form, when typed wrong format, error message appear.

is email check not working?
please me.
thank much.

moving thread "components" board.