just want you to know that I have addressed an issue to our host web.com.
The problem is email black listing and it can affect when you send PM's, register reply emails, request new password emails and so on.
the host replied
Thank you for contacting us regarding your email issues. As you mentioned, we are havnig a blacklist issues at web.com. We have been able to be removed from some, but not all blacklists to this point. We are continuing to work on this issues and hope to have it resolved shortly.
If you have any further questions or concerns feel free to contact us at the number below and we will be happy to assist you.