feat: add OAuth2/XOAUTH2 support to SMTP/IMAP channel#375
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bayger
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Jun 22, 2026
bayger
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- Add optional oauth2 config block to SmtpImapChannelProvider schema
- OAuth2 token refresh service polling every 5 minutes
- XOAUTH2 SMTP transport (nodemailer) when oauth2 token present
- Manual SASL XOAUTH2 for IMAP (imap package) when oauth2 token present
- Three OAuth2 API endpoints: /authorize, /callback, /refresh
- OAuth2 tokens threaded through SmtpImapChannelHost to connections
- OAuth2 secrets (clientSecret, refreshToken, accessToken) stored as secret refs
- OAuthTokenRefreshError (502) in error handler
- Register SmtpImapOAuth2Controller routes + OpenAPI paths in swagger
- Start OAuth2TokenRefreshService on server boot
- Add optional oauth2 config block to SmtpImapChannelProvider schema - OAuth2 token refresh service polling every 5 minutes - XOAUTH2 SMTP transport (nodemailer) when oauth2 token present - Manual SASL XOAUTH2 for IMAP (imap package) when oauth2 token present - Three OAuth2 API endpoints: /authorize, /callback, /refresh - OAuth2 tokens threaded through SmtpImapChannelHost to connections - OAuth2 secrets (clientSecret, refreshToken, accessToken) stored as secret refs - OAuthTokenRefreshError (502) in error handler - Register SmtpImapOAuth2Controller routes + OpenAPI paths in swagger - Start OAuth2TokenRefreshService on server boot
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