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Mailchimp (formerly capitalized as MailChimp until 2018[6]) is a marketing automation platform and an email marketing service. The platform is a trading name of its operator, Rocket Science Group, an American company founded in 2001 by Ben Chestnut and Mark Armstrong[7] with Dan Kurzius joining at a later date.[8][9] Mailchimp began as a paid service and added a freemium option in 2009. Within a year its user base had grown from 85,000 to 450,000.[10] By June 2014, it was sending over 10 billion emails per month on behalf of its users.[11] In 2017, the company was gaining 14,000 new customers every day. The company is still owned by its cofounders and has never accepted venture capital funds.[2]

IndustryEmail marketing
Founded2001; 18 years ago (2001)
FoundersBen Chestnut
Mark Armstrong
Dan Kurzius
HeadquartersPonce City Market, Atlanta, Georgia, U.S.[1]
Key people
Ben Chestnut (CEO)
ProductsEmail marketing
  • Increase $525 million (2017)[2]
  • Increase$400 million (2016)[3]
Number of employees
ParentThe Rocket Science Group LLC.[5]

In 2016, Mailchimp was ranked No. 7 on the Forbes Cloud 100 list.[12] In February 2017, the company was named one of Fast Company's Most Innovative Companies of 2017.[3] In August 2017, It was reported that, Mailchimp would be opening offices in Brooklyn and in Oakland, California.[13]

Marketing campaignsEdit

As a podcast advertiser, Mailchimp also sponsored the launch of Serial, a podcast exploring a murder case over multiple episodes. During the series parodies of Serial have targeted several of the show's aspects, including the podcast's sponsor (especially the meme "MailKimp").[14][15]

Mandrill controversyEdit

In February 2016, Mailchimp announced it was merging Mandrill transactional email service into Mailchimp as an add-on feature, and gave customers 60 days notice to switch to the new pricing structure or find an alternative service platform.[16] The announcement was met with widespread criticism and customer outrage due to the new pricing structure requiring a paid Mailchimp plan before being able to purchase Mandrill credits, resulting in customers paying for two products in order to access Mandrill.[17]

Previously, customers were able to purchase Mandrill credits for sending emails without signing up on Mailchimp. The credits were originally priced at $9.95 for 25,000 emails but increased to $20 for the same number of emails under the new pricing scheme. In addition to needing to purchase Mandrill credits, customers now need to be on a paid Mailchimp monthly plan (the minimum monthly plan being $10 a month), even if the customer has no need for Mailchimp services and only wants access to Mandrill. Mandrill was renamed as Mailchimp Transactional.[18]


  1. ^ "Ponce City Market". Retrieved 2019-03-28.
  2. ^ a b "Want Proof That Patience Pays Off? Ask the Founders of This 17-Year-Old $525 Million Email Empire". Retrieved 2018-05-29.
  3. ^ a b "Why MailChimp Is One Of The Most Innovative Companies Of 2017". Fast Company. 2017-02-13. Retrieved 2018-05-29.
  4. ^ "Mailchimp's About Us". Retrieved 2018-05-29.
  5. ^ "Rocket Science Group". Retrieved 2012-10-05.
  6. ^ "Mailchimp in December 2017 - Wayback Machine". Retrieved 17 April 2019.
  7. ^ Grantham, Russell. "'Everything came and went too fast,' dot-com vet says". Atlanta Journal Constitution (2000-12–03).
  8. ^ "Mailchimp | CrunchBase Profile". Retrieved 2013-06-17.
  9. ^ Manjoo, Farhad (2016-10-05). "Mailchimp and the Un-Silicon Valley Way to Make It as a Start-Up". The New York Times. ISSN 0362-4331. Retrieved 2017-06-07.
  10. ^ Ben (2010-09-27). "Going Freemium: One Year Later | Mailchimp Email Marketing Blog". Retrieved 2013-06-17.
  11. ^ "Mailchimp Hits Milestone 10 Billion Emails Per Month; Adding Headcount and Office Space". Retrieved 8 December 2015.
  12. ^ "Forbes Cloud 100". Forbes. Retrieved 29 October 2016.
  13. ^ "Mailchimp to open office in Downtown Brooklyn - Brooklyn". Brooklyn. 2017-08-04. Retrieved 2017-11-02.
  14. ^ Roe, Mike (November 8, 2014). "Serial: The hottest podcast with the most spot-on parodies". 89.3KPCC. Retrieved November 12, 2014.
  15. ^ Fitzpatrick, Molly (November 6, 2014). "Why are Serial podcast fans so obsessed with Mailchimp?". V[ ]cative. Vocativ. Retrieved November 12, 2014.
  16. ^ Williams, Owen (2016-02-25). "In hostile move, Mandrill gives all developers 60 days to switch to paid Mailchimp service". The Next Web.
  17. ^ Nicastro, Dom (2016-02-26). "MailChimp's Mandrill Move Enrages Email Users". CMSWire.
  18. ^ MailChimp (2016-02-24). "Important Changes to Mandrill". Mandrill Email Platform Blog.