Commit Graph

1 Commits (4fea6b9759f6963a23c15637d732562ba1aec8b2)

Author SHA1 Message Date
-LAN- 091884567a
feat: Add SMTP OAuth 2.0 support for Microsoft Exchange
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.
7 months ago