<!-- SPDX-License-Identifier: MIT -->
<!-- SPDX-FileCopyrightText: 2025-2026 Marcus Quinn -->

# t1518: Thunderbird integration — IMAP config generation, Sieve deployment, account setup

## Origin

- **Created:** 2026-03-16
- **Session:** opencode:email-system-planning
- **Created by:** human + ai-interactive
- **Parent task:** none (Phase 4 polish)

## What

Create Thunderbird-specific integration: auto-generate IMAP account configs, deploy Sieve rules, OpenPGP key import guidance.

## Acceptance Criteria

- [ ] Thunderbird IMAP config generation from provider templates
- [ ] Sieve rule deployment guidance for Thunderbird-compatible servers

## Dependencies

- **Blocked by:** t1493 (IMAP adapter), t1503 (Sieve rules)

## Estimate Breakdown

| Phase | Time | Notes |
|-------|------|-------|
| Implementation | 2.5h | Config generation + docs |
| **Total** | **2.5h** | |
