The following is a notification from PaPal, an online payment gateway. It is being re-posted for the benefit of EPhost customers who may use their service for their ecommerce website. Please direct support inquires and questions to PayPal directly.

PayPal recently implemented some changes to their SSL certificate to use the SHA-256 algorithm. If you are experiencing issues making connections to their API, specifically the Instant Payment Notification API, this may be why.  

https://www.paypal-knowledge.com/infocenter/index?page=content&id=FAQ1766&expand=true&locale=en_US

EPhost, has already completed the required modifications to import the new Verisign G5 SSL certificate into trusted keystores and enabled the SHA-256 algorithm. However, if you continue to have issues please open a support ticket.