OPTUS_ContactUsForm: After submitting the form with email address having space in between throws exception.

After submitting the form with email address having space in between throws exception-

1.Access the website

2.Click on ContactUs link and form is displayed

3.Enter the valid details and email address with space in between and SUBMIT the form.

Actual result:

It displays error dialog box e.g "atul.sanagar @gmail.com"

[root@optus-qa-agency1 logs]# tail -f optus-customer-sites.com-error_log

[Wed Oct 10 00:10:17 2012] [error] [client 50.57.178.216] PHP Catchable fatal error: Object of class PEAR_Error could not be converted to string in /usr/local/tsa/contactUsPhpLibs-1.0-SNAPSHOT-contactUsPhpLibs/src/contactuscontroller.class.php on line 53, referer: http://www.cust3-qa-domain.com:9995/

Expected result:

It should display validation message for email address.