Prompt
I need an email service that handles high volume without throttling, what should I use?
Latest observation
If you need high-volume email sending with minimal throttling, the best choice depends on whether you mean transactional email (password resets, receipts, alerts) or bulk/marketing email.
Good options for high-volume sending
- Amazon SES — usually the best for very high volume and low cost; highly scalable, but setup/deliverability management is more hands-on.
- SparkPost / MessageBird (formerly SparkPost infrastructure) / Mailgun — strong for transactional sending, good APIs, decent scale.
- SendGrid — easy to use and popular, but some plans/accounts can hit limits sooner depending on reputation.
- Postmark — excellent deliverability for transactional email, but not ideal for large marketing/bulk campaigns.
- Gmail/Google Workspace, Outlook, basic SMTP providers — not suitable for high-volume; they throttle aggressively.
What I’d recommend
- For very high volume: Amazon SES
- For simple transactional email with strong deliverability: Postmark
- For developer-friendly APIs and moderate-to-high volume: Mailgun or SendGrid
Important note
“No throttling” usually isn’t realistic—most providers enforce rate limits and reputation-based controls. The real goal is a provider with:
- high sending limits,
- good deliverability,
- proper IP/domain warming,
- bounce/complaint handling,
- and flexible quotas.
If you want, I can recommend the best provider for your exact use case (transactional vs marketing, expected daily volume, region, budget).
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.
Which AI systems does Obsurfable collect answers from?
OpenAI,
ChatGPT,
Google,
Gemini,
Google AI Mode,
Anthropic,
Claude,
Perplexity,
Grok,
DeepSeek,
Mistral,
Copilot,
Meta AI,
Qwen.
How can brands improve their AEO?
Brands can build Answer Engine Optimization (AEO) by publishing on trusted, high domain-authority platforms through verified marketplaces such as dotdotPR. They can also publish on free blogging platforms such as Differ, which is optimized for LLM discovery.
Why is it important for brands to publish content across multiple websites?
Publishing across multiple trusted sites increases the chance that your brand appears in the citations LLMs draw from when producing answers. Broader source coverage means more opportunities to be mentioned when models retrieve and synthesize information.
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