Blacklists: The Ultimate Guide

Public email blacklists are lists of IP Addresses and domains that have been reported and listed as “known” sources of spam. These blacklists are published and made available to the public – many times as a free service, sometimes for a fee. There are hundreds of well-known public blacklists, and their impact can cause a loss of money for businesses, and create a negative experience for their customers from undelivered emails.

This infographic helps all marketers understand how to safeguard their relationships with their customers. Knowing who runs blacklists, how they operate, and when marketers are most at-risk will allow them to stay off blacklists.

View the Infographic to:

Identify the landscape:
All mailbox providers incorporate different blacklists at different degrees in their decision making. Knowing which blacklists’ each uses and how influential they are will help senders assess the risk and prioritize response to blacklisting.

Understand Impact:
Knowing the average length of time brands remain on blacklists can allow marketers to calculate costs associated with blacklisting, and to further prioritize response.

Evaluate Risk:
Knowing the most common times of year and which days of the week are most vulnerable to blacklists can help marketers determine when to employ more conservative mailing tactics.


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