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Document EMAIL_SMTP_IMAGE_INLINE_CID env variable#493

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charliedowler merged 1 commit intomainfrom
charlie/doc-email-smtp-image-inline-cid
Mar 16, 2026
Merged

Document EMAIL_SMTP_IMAGE_INLINE_CID env variable#493
charliedowler merged 1 commit intomainfrom
charlie/doc-email-smtp-image-inline-cid

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Summary

  • Adds EMAIL_SMTP_IMAGE_INLINE_CID to the SMTP config reference table and environment variables page
  • Adds tips to the scheduled deliveries and alerts guides for self-hosted users experiencing broken email images behind firewalls
  • Documents the new CID inline image embedding feature from lightdash/lightdash#21149

Changes

File Change
configure-smtp-for-lightdash-email-notifications.mdx New row in SMTP env vars table
environment-variables.mdx New row in SMTP section
how-to-create-scheduled-deliveries.mdx Tip about CID embedding for firewall deployments
how-to-create-alerts.mdx Tip about CID embedding for firewall deployments

Test plan

  • Verify SMTP config page renders the new table row correctly
  • Verify environment variables page renders the new row correctly
  • Verify tips render correctly on scheduled deliveries and alerts pages
  • Verify cross-link to SMTP config page works from tips

🤖 Generated with Claude Code

Add the new CID inline image embedding option to the SMTP config
reference and environment variables page. Also add tips to the
scheduled deliveries and alerts guides for self-hosted users
experiencing broken images behind firewalls.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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github-actions bot commented Mar 16, 2026

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All checks passed! No issues found.

@charliedowler charliedowler merged commit b439459 into main Mar 16, 2026
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@charliedowler charliedowler deleted the charlie/doc-email-smtp-image-inline-cid branch March 16, 2026 09:06
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