Blacklisting and Email Validation

The word blacklisting is such a scary word, especially for a plethora of email marketers. Before, curbing the problem of blacklisting, it is important to understand what is blacklisting and the various prevention methods associated with it. You will be shocked to know that millions of emails today are exchanged between people and more than 90% of such emails are considered spam either by the user or by the internet service provider. Therefore, filters such as blacklisting are used to segregate the legitimate emails from the spam emails which are triggered. And, as a customer imagine receiving even 1% of these emails, your whole day will be spent only on reading emails which are not in accordance with your interest.

What is a blacklist?

It is also popularly known as the DNS based blackhole list, which is a real time database using pre-defined criteria to determine whether the IP is sending legitimate emails to the customers or not. The receiving servers always use the blacklisting information to decide the fate of the newsletters. All the IP addresses on the blacklist are then reported as a known source of spam. Moreover, if any IP or email address is not listed on the list, it does not necessarily mean that the emails from the sender are legitimate. This is because nothing can be said confidently about the sender.


How to prevent from getting blacklisted?

Email content and volume are the two biggest reasons for getting on the blacklist. Therefore, it is advisable to check the content of the email before sending it to the customers. More text and less of images should be avoided at all costs and ensure to provide a un-subscribe link in the emails. This will help the customers to easily opt out of the campaign, without marking the sender as spam. Additionally, if you want to volumes of email to the customers, then ensure email validation and email address verification is done for the mailing list. List cleaning will help you remove the unwanted customers and you can easily send as many emails as possible.