Email to Notion Knowledge Base with IMAP, Postgres Dedup, and Telegram Alert

Please correct the following description: Filter incoming emails via IMAP, extract & clean the body into plain text, normalize (title/slug/snippet/date/from/url), check for duplicates in Postgres, store as a row in a Notion database, then send a Telegram notification. Perfect for building a knowledge base or inbox triage automation without duplicate noise. **Key Features** - IMAP polling (Only UNSEEN). - Extract & clean HTML to plain text. - Normalization: title, snippet, body text, slug, messageId, sentAt, fromAddress, sourceUrl. - Deduplication via Postgres (SELECT EXISTS). - Create page in Notion database (property mapping). - Telegram success notification. - Tags: email, imap, notion, postgres, deduplication, telegram, automation, knowledge-base **Prerequisites** - IMAP access (Gmail/Outlook/Custom). - Gmail: enable IMAP + App Password if using 2FA. - Notion Integration Token & Database ID (database must be shared with the integration). - PostgreSQL accessible from n8n. - (Optional) Telegram Bot Token & Chat ID.