In order to investigate the matter further, please update us via this ticket with the following information:

1. Email Account FROM:
2. Email Account TO: 
3. Email's Exact Subject Content:
4. Email's Exact Body Content: 
5. Any file attachments in the email: 

Having the above in mind, we have a complex spam filtering system on all our shared hosting servers. All outgoing emails are routed to our Spam filtering system and then routed to their destination after that. The system is called SpamExperts and it is the world’s leading vendor, when it comes to spam filtering. They ensure that outgoing spam is not sent out from our servers and it also ensures that legitimate emails are delivered properly to mail service providers like Gmail or Hotmail. 

All emails sent from our servers go through SpamExperts cloud and they are not directly sent through the IP of the server. This means that even if the IP of the server is blacklisted this will not affect the mail service in any way . You will be able to send and receive emails without any issue.