The Ultimate List of Social Media Acronyms and Abbreviations
Hootsuite
JANUARY 13, 2021
You’ll most often find this on Twitter or message boards. In simple terms, an ESP is a third-party company that offers email services, such as newsletter deployment or marketing campaigns. IM: Instant Messaging. Sending a typed message to someone else’s computer immediately. ESP: Email Service Provider.
145 
Let's personalize your content