Mailu - Email Client
The Mailu component allows you to send and read emails (inbox and spam) without a default server. It provides a flexible way to integrate email functionality into your applications, enabling both sending and receiving capabilities through custom SMTP and IMAP configurations.

Mailu email client interface
Component Inputs
- SMTP Server: Address of the SMTP server for sending emails
Required for establishing connection to send emails
- SMTP Port: Port number for the SMTP server
Common ports include 25, 465, 587
- IMAP Server: Address of the IMAP server for reading emails
Required for establishing connection to receive emails
- IMAP Port: Port number for the IMAP server
Common ports include 143, 993
- Sender email address: Email address used as the sender
The "From" address for outgoing emails
- Mailbox password: Authentication credentials for the email account
Required for authentication with mail servers
- Recipient email address: Email address to send messages to
The "To" address for outgoing emails
- Email Subject: Subject line for the email
Brief description of email content
- Message body: Content of the email to be sent
The main message text
Component Outputs
- Complete result: Status and details of the email operation
Use Cases
- Custom Email Clients: Build applications with embedded email functionality
- Email Automation: Automated sending and receiving of emails within workflows
- Email Processing: Process and analyze incoming emails
- Notifications: Send email notifications from your applications
- Email Marketing: Send marketing campaigns or newsletters
- Email Testing: Test email delivery and inbox placement
Best Practices
- Use secure connections (SSL/TLS) for email transmissions
- Store email credentials securely using environment variables
- Implement proper error handling for email server connections
- Follow email sending best practices to avoid spam filters
- Include proper headers and authentication in your emails
- Implement rate limiting to prevent email server blacklisting
- Add proper validation for email addresses
- Consider implementing email templates for consistent messaging
- Add support for attachments when needed