How much does SMTP cost?

SMTP pricing starts at $25/month for 50,000 emails (Essential plan), with higher tiers like Starter ($80/mo), Growth ($300/mo), and Business ($500/mo). High volume plans are custom-quoted.

Is there a free plan or free trial?

SMTP.com does not list a free plan or trial. However, onboarding is described as 'effortless' with only a few quick steps to start sending.

SMTP stands for Simple Mail Transfer Protocol. It's the standard protocol for sending emails over the internet. SMTP.com uses this protocol to provide a reliable email relay API for businesses.

Who is SMTP best for?

SMTP is best for businesses that need high-volume or transactional email delivery, such as developers, marketers, and e-commerce sites. It's not for casual personal email use.

What are the top alternatives to SMTP?

Common alternatives include SendGrid, Mailgun, Amazon SES, and Postmark. Each offers email delivery APIs with varying pricing and features.

What are the limitations of SMTP.com?

The main limitation is that the cheapest plan requires a monthly subscription, and there's no free tier. Also, add-ons like Reputation Defender cost 20% extra on top of your plan.

SMTP

Communication from $25/mo

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SMTP (Communication): SMTP.com is a reliable email relay API and delivery platform, offering scalable plans from $25/month for 50k emails. Pricing: from $25/mo. (data verified August 2026)

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About SMTP

What does SMTP do?

SMTP.com is a cloud-based email delivery service that provides a transactional email API and SMTP relay. It ensures your emails land in inboxes, not spam folders, by maintaining a strong IP reputation with ISPs.

Problem it solves

Businesses struggle with email deliverability—emails getting blocked or filtered. SMTP solves this with industry-leading deliverability, dedicated IPs, and reputation management tools, so your critical emails reach subscribers.

Who is it for?

Ideal for developers, marketers, and high-volume senders who need reliable email sending for notifications, registration, authentication, and marketing campaigns. Not for individuals sending occasional personal emails.

Real use cases

Use SMTP for transactional emails like password resets, order confirmations, and alerts; or for marketing emails. High-volume senders benefit from dedicated instances and custom scaling.

Key features

Effortless Onboarding — Send your first email within minutes after sign-up.
Scalable Infrastructure — From thousands to billions of emails per month, SMTP scales to meet your needs.
Industry-Leading Deliverability — Over 20 years of expertise ensuring emails reach the inbox.
Reputation Defender (add-on) — Proactively suppresses invalid addresses to protect your sender reputation.
Detailed Reporting — Monitor delivery metrics and engagement with comprehensive reports.
High Volume Solutions — Dedicated instances, IP warming plans, and account managers for senders with 250M+ emails/month.

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