* feat: add email service and SMTP configuration to docker-compose
- Introduced a new email service in docker-compose with environment variables for SMTP configuration.
- Updated Caddyfile to route SMTP traffic for email service.
- Added necessary SMTP ports and health checks for the email service.
- Updated variables.env to include email-related configurations and replicas.
* refactor: clean up Caddyfile SMTP routing configuration
- Simplified the indentation and formatting of the SMTP routing sections in the Caddyfile.
- Ensured consistent structure for the proxy routes for email services on specified ports.
* fix: update SMTP domain binding in Caddyfile
- Changed the SMTP domain binding in the Caddyfile to use '0.0.0.0' for specified ports (10025, 10465, 10587) to allow connections from all network interfaces.
- This adjustment enhances the accessibility of the email service routing configuration.
* fix: update mail server testing instructions in README
- Changed placeholder from `<mail-domain>` to `<host-domain>` for clarity in SMTP connection testing instructions.
- This update improves the accuracy of the documentation for users testing their mail server setup.
* feat: enhance email service configuration in docker-compose and Caddyfile
- Added SMTP environment variables to coolify-compose.yml for better email service configuration.
- Updated docker-compose-caddy.yml to remove redundant SMTP_DOMAIN variable.
- Modified Caddyfile to simplify SMTP domain binding for email service routes.
- Ensured proper permissions for TLS directory in email Dockerfile.
* refactor: remove email service environment variables in coolify-compose.yml
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Co-authored-by: akshat5302 <akshatjain9782@gmail.com>
