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Emails for Supabase vs Postmark

Postmark focuses on transactional email delivery, whereas Emails for Supabase creates branded HTML templates.

Which to pick

Pick Emails for Supabase if you want…

  • Branded Supabase auth email templates
  • Integrations with Supabase or GoTrue merge tags (on Emails for Supabase's list, not Postmark's)

Pick Postmark if you want…

  • Fast, reliable transactional email
  • Transactional email sending
  • Integrations with Python, Ruby or PHP (on Postmark's list, not Emails for Supabase's)

Side by side

What it is
Emails for Supabase:Emails for Supabase generates branded, production-ready HTML templates for all Supabase auth emails using your site’s brand.
Postmark:Postmark is an email delivery service for sending transactional and marketing emails via API or SMTP.
Best for
Emails for Supabase:Branded Supabase auth email templates
Postmark:Fast, reliable transactional email
Who it’s for
Emails for Supabase:Indie and side-project developers using Supabase who need on-brand auth emails.
Postmark:Developers and teams needing reliable email delivery.
Pricing
Emails for Supabase:Freemium
Postmark:Freemium
Plans
Emails for Supabase:Free (early access) $0 · Brand pack (planned) $18 / brand
Postmark:Free $0.00/mo · Basic $15.00/mo per month · Pro $16.50/mo per month · Platform $18.00/mo per month
Works with
Emails for Supabase:Supabase, GoTrue merge tags
Postmark:Python, Ruby, PHP, cURL, SMTP

Emails for Supabase features

  • Automatic brand extraction. Scans your website URL to pull colors, fonts, logo and tone and applies them to every email template.
  • Real GoTrue merge tags. All Supabase auth merge tags are pre-wired into the exported HTML.
  • Bulletproof HTML. Generates inlined, cross-client tested HTML ready for production email clients.
  • Live preview & dark mode. Shows a live preview with editable fields and a dark-mode toggle before export.
  • One-click export. Exports paste-ready HTML that can be dropped directly into the Supabase dashboard.
  • Core and security emails. Covers core auth emails plus the full authentication & security notification set.

Postmark features

  • Industry-leading deliverability. Ensures emails reach inboxes quickly with vetted IPs and strict spam controls.
  • Message Streams. Separates transactional and marketing emails on parallel infrastructures.
  • Inbound email processing. Converts inbound emails to JSON and forwards via webhooks.
  • Detailed analytics. Provides bounce data, open/link tracking, and activity retention.
  • Official SDKs. Libraries for many languages (Node, Python, Ruby, PHP, .NET, etc.) for easy integration.
  • Sandbox mode. Test email sending without affecting real recipients.

Emails for Supabase vs Postmark FAQ

Is Emails for Supabase or Postmark free?+

Emails for Supabase has a free plan (Free (early access)) and paid plans. Postmark has a free plan; paid plans start at $15/month (Basic).

Do Emails for Supabase and Postmark integrate with the same tools?+

Their integration lists don't overlap: Emails for Supabase lists Supabase and GoTrue merge tags; Postmark lists Python, Ruby, PHP, cURL and 1 more.

On DevHunt

Emails for Supabase

1 upvote · Launched on DevHunt on Oct 27, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.