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Looking for email infrastructure?

Sending emails costs between $0.20 and $0.10 per thousand with Mandrill, a transactional email service from MailChimp.

Learn more about Mandrill

Fast and reliable email

MailChimp automatically adjusts sending based on ISP responses and inbox delivery monitoring.


MailChimp has SOC II and PCI DSS certifications, two-form authentication, and account activity alerts.

Full-featured API

MailChimp's API supports more than a billion calls every month. It includes in-depth documentation, a download section for various wrappers, and how-to documents.

Features for agencies

Multi-user accounts and collaborative campaign building make MailChimp a great choice for agencies. And with powerful tools for tracking and reporting, it’s easy to provide strategic direction to clients.

Advanced segmentation

Send targeted email based on subscriber activity, engagement, interests, location, and more.

High volume CPM

If you have a large list and send fewer than 4 times a month, you may not want to pay for email volume capacity you're not using. Our high volume CPM pricing is for you. No contracts, and the credits don't expire.

Don’t just take our word for it.

The Atlantic
Sierra Nevada
NYT Store

“I've built three businesses to seven figures with the help of MailChimp. Owning a direct email relationship with an individual is worth 50x more than having them "like" you on Facebook, follow you on Twitter or subscribe to you on YouTube. Social services change every couple of years, but email addresses are for life. MailChimp is the gold standard, and I wouldn't trust my customer relationships to anyone else. Oh yeah, their prices are better than their subpar competitors and they release new features every couple of weeks. I love the product and the team.”

Jason Calacanis Angel investor, founder of engadget, LAUNCH, and This Week in Startups.

“Store shelves are brimming with craft beer options, and MailChimp helps us ensure folks know all about the great brews coming from our kettles. The clean interface and thorough analytics allow us to easily see what's resonating with drinkers and where we can improve.”

Ryan Arnold Communications Manager for Sierra Nevada

“If you love email, you will go bananas for MailChimp. We have tried every platform in the email jungle and we can honestly say that MailChimp has (by far) the best email product, the best customer service, and the best start-to-send experience. We couldn't imagine trusting our emails to anyone else.”


“MailChimp has been integral to managing our email communications at The Atlantic. It is quick and easy to spin up new email campaigns -- from our regular editorial newsletters, to special campaigns regarding a new product launch or messages on behalf of our advertisers. We are pleased with the frequency of feature updates from MailChimp, and they're quick to respond when we have questions about new or existing products.”

Clarissa K. Matthews Senior Product Manager, The Atlantic

Interested in learning more?

Complete the form to receive more information about high-volume features and getting started with MailChimp.

AICPA certification

SOC II Compliant PCI DSS Certification

We're happy to provide our full SOC II Report. Just fill out the form to request an NDA, and once the NDA is signed and returned, we'll send you the report.

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Up to 2,000 subscribers

Send 12,000 emails to 2,000 subscribers for free. No contracts, and no credit card required. It’s free forever.

Growing business

Up to 600,000 subscribers

Sign up for a monthly account, or purchase email credits that never expire.

High volume sender

More than 600,000 subscribers

Use MailChimp’s rock solid infrastructure to power your email marketing, and stay in control with features for professional senders.