Summary: Mailchimp Transactional adds developer SMS support

Why It Matters: The product is shifting focus toward technical users and developers. By adding SMS to their transactional toolkit, they are moving beyond just email to handle critical, real-time alerts.

What Changed:

• The page title changed from a general marketing platform to "Mailchimp Transactional | Mailchimp Developer."
• Added a new "Send Transactional SMS" feature for critical alerts via API.
• Added technical documentation for DNS configuration and SMTP integration.
• Introduced a "Rules Engine" to automate how the system handles specific email behaviors.
• Removed general marketing content, including holiday sales and e-commerce industry guides.
• Added a free tier for developers offering 500 free email sends to verified domains.