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Add or Remove Transactional Email

Mailchimp Transactional is a powerful delivery API tool. Use Mailchimp Transactional to send e-commerce notifications and automated transactional email and SMS messages. Learn how to set up Mailchimp Transactional.

About Signup Form Options

Different signup forms can help you win subscribers from different places. Learn about Mailchimp's signup form options and choose the best type for you.

About the Marketing Calendar

Use Mailchimp's marketing calendar to view a monthly schedule of completed and upcoming campaigns.

About Email Firewalls

Email firewalls are like spam filters, which contain or filter malicious content through a security appliance or server.

Use Merge Tags to Send Personalized Files

Use Mailchimp's custom merge tags to send a personalized file to each subscriber via email. Learn how to set up custom merge tags, update files, and more.

Use Mailchimp on Mobile Devices

Mailchimp is responsive, meaning you can use it on mobile devices. Learn how Mailchimp works on different devices. And find out about other mobile tools.

Troubleshooting Test Email Delivery Failures

There are a few reasons you might not receive test campaigns, including spam filters or firewalls.

Troubleshooting Contact Imports

Learn about troubleshooting contact imports, including common issues and how to fix them.

Stay Compliant with the Canada Anti-Spam Law (CASL)

CASL or Canada's Anti-Spam Law, requires that you include a few pieces of information in each email you send. Learn about CASL and how to stay compliant.

Organize Campaigns into Folders

Learn how to organize campaigns into folders, or delete the folders.

I know this email address is valid, but it hard bounced

Valid email addresses can hard bounce for many reasons. Reading bounce headers (SMTP replies) can provide insight on what caused an address to hard bounce.

Restricted Data Processing for Google Remarketing Ads

Learn how to enable or disable restricted data processing for Google Remarketing Ads.