Email marketing and marketing automation platform by Intuit, used to build audiences, send campaigns and automate customer journeys.
Pricing: 13 USD · Updated 2026-09-03
marketingYes. Mailchimp's Free plan supports up to 250 contacts and 500 sends per month; the paid Essentials plan starts at $13 per month (price checked 2026-09-03).
Mailchimp is an email marketing and marketing automation platform used to build audiences, send campaigns and automate customer journeys.
What happens between pressing send and the message arriving — servers, protocols, and why IMAP beat POP3.
TCP and UDP are the two main ways data travels over the internet. TCP is reliable but slower; UDP is fast but lossy. Here's when each one is used.