Email Sending Not Working in Base44 App Workflows
Your Base44 app's email functionality is not working. Automated emails from workflows (like welcome emails, order confirmations, or notification emails) are not being sent, or they're being sent with incorrect content, broken formatting, or missing dynamic data.
Email is often a critical communication channel for apps. Users expect to receive confirmation emails immediately after actions like signing up, placing an order, or submitting a request. Silent email failures create a poor user experience and can cause business issues.
The problem may be selective: emails to some domains (like Gmail) work fine but emails to corporate domains fail, or emails send but dynamic template variables show as blank or literal placeholder text.
Error Messages You Might See
Common Causes
- Email service configuration (SMTP or API key) is incorrect or missing in the production environment
- Dynamic template variables are not being replaced because field names don't match the data source
- The sending domain's email reputation is low, causing deliverability issues with certain providers
- Email rate limits have been exceeded, silently dropping additional emails
- HTML email templates contain invalid markup that email clients render incorrectly
How to Fix It
Check the email service configuration in your Base44 app. If using an external provider (SendGrid, Mailgun, etc.), verify the API key is set for production and test it outside of Base44.
For missing template variables, verify the exact field names used in the template match the data fields available at the point in the workflow where the email is sent.
If emails send but don't arrive, check spam folders and consider configuring SPF and DKIM records for your sending domain. For comprehensive email deliverability troubleshooting, a developer can audit the entire email pipeline.
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I'm a full-stack developer focused on building practical and scalable web applications. My main experience is with **React, TypeScript, and modern frontend architectures**, where I prioritize clean code, component reusability, and maintainable project structures.
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Victor Denisov
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Get HelpFrequently Asked Questions
Why aren't emails sending from my Base44 app?
Check your email service configuration (SMTP or API key) in the production environment. Test the credentials independently to verify they work.
Why are template variables blank in my Base44 emails?
The variable names in your email template must exactly match the field names available at that point in the workflow. Check for typos and ensure the data has loaded before the email step executes.