MailChimp
Used by 14 peoplemailchimp.com ↗

“The Glass Houses mailing list runs on MailChimp.”
Melissa Gira Grant Interview, Writer, freelance journalist · via Uses This 
“MailChimp is the engine behind an introspective letter I send out every now and then.”
Diana Kimball Interview, Writer, programmer (SoundCloud) · via Uses This 
“MailChimp for our mailing list management and advertising campaigns - this is a wonderful service.”
Stephen Powell Interview, Co-founder, Gustin · via Uses This 

“I use Mailchimp for my email list, and the messages are always just plain text.”
Robin Sloan Interview, Writer, media inventor · via Uses This