SMTP.com vs Mailgun: Features, Pricing and User Reviews 2026

SMTP.com

Professional Email Delivery Service

SMTP Service Provider Email Infrastructure

Mailgun

Powerful Email API for Developers

Transactional Email API SMTP Service Provider+1 more

SMTP.com

Professional Email Delivery Service

SMTP Service Provider Email Infrastructure

Mailgun

Powerful Email API for Developers

Transactional Email API SMTP Service Provider+1 more

SMTP.com

SMTP.com is an email delivery platform that sends your business emails through their servers instead of your own. This means better delivery rates because they maintain good relationships with email providers and follow all the technical rules needed for emails to land in inboxes.

The service handles transactional emails, which are automatic messages sent when someone takes an action on your website or app. Examples include welcome emails, purchase receipts, shipping updates, and account notifications.

SMTP.com provides both an API and standard SMTP relay service, so it works with almost any website or application. The platform includes detailed reports showing which emails were sent, opened, or bounced. You also get access to expert support whenever you need help with email delivery issues or setup questions.

Mailgun

Mailgun is a cloud-based email delivery service designed specifically for developers and businesses who need to send emails programmatically through their applications. Think of it as the engine that powers email functionality in websites and apps - from simple contact forms to complex automated email workflows.

The platform offers both RESTful APIs and SMTP relay services, giving developers flexibility in how they integrate email capabilities. Unlike traditional email marketing platforms with drag-and-drop editors, Mailgun focuses on programmatic email sending with features like real-time tracking, webhook notifications, and detailed delivery analytics.

What sets Mailgun apart is its focus on deliverability and developer experience. The service handles technical complexities like IP reputation management, email authentication, and spam compliance, while providing simple APIs that work with virtually any programming language including Python, PHP, Java, Ruby, and Node.js.

Features of SMTP.com and Mailgun

SMTP.com

Professional email relay service for businesses
API and SMTP access for easy integration
Dedicated IP addresses available
Real-time delivery and performance reporting
Reputation Defender add-on for list monitoring
24/7 expert technical support included
High volume email handling capability
WordPress plugin compatibility
SPF, DKIM, and DMARC authentication
30-day free trial with 50,000 emails

Mailgun

RESTful API and SMTP relay for flexible integration
Real-time email tracking and analytics
Email validation and deliverability optimization
Inbound email routing and parsing
Webhook notifications for instant event updates
Multi-language SDK support (Python, PHP, Java, Ruby)
Dedicated IP addresses available
Email authentication (SPF, DKIM, DMARC)
Template management and suppression handling
99.99% uptime guarantee

Use Cases of SMTP.com and Mailgun

SMTP.com

Transactional Email Sending Bulk Email Sending

Mailgun

Transactional Email Sending Bulk Email Sending Email Performance Tracking Email Address Verification Email Bounce Handling Email Deliverability Optimization

Pricing of SMTP.com and Mailgun

SMTP.com

SMTP.com offers flexible pricing based on how many emails you send each month. All plans include the same features with different email volume limits.

The service provides a 30-day free trial that lets you send up to 50,000 emails to test the platform before committing to a paid plan.

Essential Plan ($25/month): Sends 50,000 emails monthly with shared IP addresses and includes API access, detailed reporting, and expert support.

Starter Plan ($80/month): Handles 100,000 emails per month with a dedicated IP address for better sender reputation control.

Growth Plan ($300/month): Designed for growing businesses, allows 500,000 emails monthly with dedicated IP and all features.

Business Plan ($500/month): Supports 1,000,000 emails per month with dedicated infrastructure.

High Volume Senders: Custom pricing for businesses sending over 250 million emails monthly, including dedicated platform instance and scalable infrastructure. The Reputation Defender add-on costs an extra 20% of your plan price.

Mailgun

Mailgun offers flexible pricing plans to suit different business needs and email volumes. The Free plan allows 100 emails per day, perfect for testing and small applications.

Paid plans include:

Flex Plan: Pay-as-you-go at $0.80 per 1,000 emails after 3 free months, ideal for unpredictable volumes
Foundation Plan ($35/month): 50,000 emails with basic features and 5-day log retention
Growth Plan ($80/month): 100,000 emails with enhanced support and 15-day log retention
Scale Plan ($90/month): 100,000 emails plus email validation, dedicated IPs, send time optimization, and 30-day logs
Enterprise: Custom pricing for high-volume senders with dedicated support and advanced features

All plans include unlimited users, API access, and basic tracking. Higher-tier plans add dedicated IPs, longer log retention, priority support, and advanced deliverability features. Overage pricing decreases with higher-tier plans.