Thank you for your question, I'll be happy to assist you in resolving this error. I'm sorry you're having trouble sending email. We've seen an increase in this over the past two days due to increased security settings on our servers. You can quickly fix this by following the steps for your email client in our article Invalid HELO name.
I hope this helps you to resolve this error quickly. If you need any further assistance or have any additional questions, please feel free to contact us.
|Email:||support@WebHostingHub.com||Ticket:||Submit a Support Ticket|
|Chat:||Click To Chat Now|