- Updated the README.md to include specific SMTP settings for Microsoft 365 and OAuth2 authentication options.
- Modified the email handler to support OAuth2 authentication for Microsoft 365, improving security and flexibility.
- Enhanced logging to provide clearer feedback on email configuration and authentication methods used.
- Added rehype-sanitize plugin to the markdown configuration for improved security against XSS attacks.
- Updated environment variables in the codebase to include new configurations for SMTP and monitoring.
- Implemented secure headers in server and Nginx configurations to bolster security.
- Refactored email handling to prevent spoofing by ensuring safe sender addresses.
- Improved localization by updating language persistence and button components for better user experience.
- Enhanced the uptime API and contact form with better error handling and logging practices.
- Updated dependencies in package.json and package-lock.json for better performance and security.
