Mail System
Complete guide for email pipeline, template development, local preview, and locale fallback rules.
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OverviewKey FilesSending PipelineCurrently Registered Template IDsLocal Preview Development (Important)Preview checklistAdd a New Template: End-to-End1) Create template file2) Register template ID3) Add subject translations4) Call from backend/serviceAdd Locale Support to Existing Templates (Important)Fallback Rules (Default English)Sender Display Name (Avoid “support” as title)Environment VariablesFAQWorks in preview but fails to sendEmpty subjectNew template ID is not available