In order to make sure that your email marketing performs efficiently, you need to look for tools which can help you with it. If your IP address has been reported for spamming then it is possible that the target consumers may not receiver your email as in that case your account would be blacklisted. In this case your campaign would fail. This is the best option is to opt for spam checking tools that can help you learn about the same. In case your IP address has been blacklisted by any of the server then you can contact them and ask them how you can get it removed from there.
The spam checking tools that are available to the marketer also checks the content of the email and monitors if it can be blocked for spamming. In case the content has anything that is detected as spam then the your email would land up in the spam folder instead of inbox and would be inefficient different kinds of spam checking tools are available to the website owners who can check their content in that and then ensure that it reaches their target consumers. Using such tools would make your email marketing campaign more efficient.