Sync a mailbox into your own database with Nylas

Short summary

Nylas email sync tutorial splitting sync into backfill (one-time message history) and tail (webhook-driven change tracking) patterns. Uses cursor pagination and idempotent upserts to prevent duplicates as local database stays synchronized with live mail.

• •Two-phase sync: backfill existing messages once, then track additions/updates/deletions via webhooks
• •Cursor pagination for scalable message retrieval; idempotent upserts on message ID eliminate duplicates
• •Practical code examples for CLI testing, backend webhook handlers, and architectural pattern rationale

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