The email-marketing world has shifted to only accepting white listed IP’s. If an ISP does not recognize your IP’s, the chances of you getting your message delivered are second to none. Why? Because there are only so many IPv5 addresses thus they all have been used up. What does this mean?
ISP’s have worked with the smartest spam fighters ever since 1996, and some argue even earlier. Both used blocking techniques to filter spam. At first, they blocked content and domains but that only worked for a short period of time. Quickly, it became paramount to block whole IP ranges and start collecting and targeting.
For more information visit: Why Are List Hygiene Services So Important?
ISP’s have worked with the smartest spam fighters ever since 1996, and some argue even earlier. Both used blocking techniques to filter spam. At first, they blocked content and domains but that only worked for a short period of time. Quickly, it became paramount to block whole IP ranges and start collecting and targeting.
For more information visit: Why Are List Hygiene Services So Important?