Error Handling
Complete guide to RustMailer's error code system and API error handling
Event Types Reference
Comprehensive reference for all event types and associated data structures in RustMailer.
gRPC Client Connection Guide
How to connect to RustMailer using gRPC clients
Task Scheduling System
Internal asynchronous task queues for email sending and event hook handling in RustMailer
VRL script
Mastering Event Filtering & Processing in 15 Minutes
IMAP Synchronization Overview
How RustMailer performs metadata-based IMAP synchronization without downloading full message content
UI Login & Root Password Reset
Managing Root Access and Resetting Credentials in RustMailer
Email Threading Overview
How RustMailer organizes and tracks email conversations using metadata-based threading
Metadata Backup Overview
How RustMailer handles safe and efficient backup of email metadata
In-Memory Metadata Mode
Boost RustMailer performance with in-memory metadata storage and periodic snapshots