The most common spam problem with WordPress sites is incoming spam. It usually reaches your comment and contact forms. There are various plugins and services that help you reduce that spam. I won’t deal with that issue here.
A not less delicate problem, however, is spam that is sent from your site. Your site might have been hacked or one of your plugins or themes has a security bug. A symptom is a huge number of mail being sent out from your site. Your hosting company or system admin might therefore send you a warning. Or they may even block
World of WordPress is hosted by:
While others try to add more components to their hosting to make it go faster, we decided to build our hosting cloud fast from the ground up. We did so by stripping out everything we knew was deadweight.