hotelsync/backend/src/email.ts at 8eb83a5189cc650e753a18337c5896fff3dfb3e7

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HotelSync bda0cbb7d5 Improve email deliverability: plain text, contrast fix, Content-Language, List-Unsubscribe

- Add plain text (text:) version to all emails — helps SpamAssassin scoring
- Add lang="ru" to <html> and Content-Language: ru header — signals intentional Cyrillic
- Fix HTML_FONT_LOW_CONTRAST: change #94a3b8 to #475569 / #334155 for note text
- Add List-Unsubscribe header (reduces spam score)
- Refactor: extract baseHtml() helper to avoid duplication

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-03-17 20:01:25 +03:00

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6.8 KiB Raw Blame History

6.8 KiB

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