The reason your email is failing appears to be because the recipient mail server has rejected the message.
This is due to filtering restrictions that have been enabled to limit the amount of messages received from a mail domain for a specific timeframe (usually hourly).
This is a protective mechanism on the receiving server used for defense against denial of service attacks. Simply retry your message again later.
|Email:||support@WebHostingHub.com||Ticket:||Submit a Support Ticket|
|Chat:||Click To Chat Now|