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You have a few forms, is this the correct form in question: http://www.jotformpro.com/form/31524113087951 ?
Checking your current settings, the way how you setup the multiple recipients is not correct. You have to separate the email addresses with a comma then space, example:
Please change it to this setting so to receive the form notification. I'd also like to add since you are using a custom addresses, whitelisting our IP Addresses and Domains should help: http://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses
You can find more details on this article: http://www.jotform.com/help/208-How-to-setup-email-alerts-to-prevent-email-bouncing-related-issues
Hope that helps!