- Replace f-strings in logging.exception() and logging.warning() calls
- Use % formatting for better performance when log level is disabled
- Follows Python logging best practices
Add comprehensive OAuth 2.0 authentication support for SMTP to address
Microsoft's Basic Authentication retirement in September 2025.
Key features:
- OAuth 2.0 SASL XOAUTH2 authentication mechanism
- Microsoft Azure AD integration with client credentials flow
- Backward compatible with existing basic authentication
- Comprehensive configuration options in .env.example files
- Enhanced SMTP client with dependency injection for better testability
- Complete test coverage with proper mocking
Configuration:
- SMTP_AUTH_TYPE: Choose between 'basic' and 'oauth2' authentication
- Microsoft OAuth 2.0 settings for Azure AD integration
- Automatic token acquisition using client credentials flow
Files changed:
- Enhanced SMTP client with OAuth 2.0 support
- New mail module structure under libs/mail/
- Updated configuration system with OAuth settings
- Comprehensive documentation and setup instructions
- Complete test suite for OAuth functionality
This change ensures compatibility with Microsoft Exchange Online
after Basic Authentication retirement.
autofix-ci[bot]