Prompt

What should I use if I want better deliverability than my current provider?

Technology / API Platforms1 observationLast seen Oct 5, 2026

Latest observation

Oct 5, 2026OpenAI APIWeb search: off

If your goal is better email deliverability, the best provider depends on what you’re sending:

For transactional email

Use one of these:

  • Postmark — often considered the best for deliverability and reliability
  • Amazon SES — very strong deliverability, especially if configured well
  • Mailgun — solid, flexible, good tooling
  • SendGrid — widely used, but deliverability can vary more by setup/account

For marketing email/newsletters

Use:

  • Brevo (Sendinblue)
  • Mailchimp
  • Klaviyo if you’re ecommerce-focused
  • ConvertKit for creators

If deliverability is the main priority

My usual recommendation is:

  • Postmark for transactional
  • Amazon SES if you want low cost and can manage setup
  • Klaviyo/Brevo for marketing

Important note

Deliverability is not just the provider. It also depends on:

  • proper SPF, DKIM, and DMARC
  • your sending reputation
  • list quality
  • bounce/complaint rates
  • email content and frequency

If you tell me:

  1. whether this is transactional or marketing,
  2. your current provider, and
  3. your volume,

I can suggest the best option for your case.

Observation history

How did Obsurfable measure this prompt?

Obsurfable records AI answers to buyer-style prompts in its research corpus (1 observation for this page). Metrics are distributions over observations, not a single static ranking.

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