Mailgun

Mailgun is the established workhorse of email APIs—battle-tested infrastructure that handles billions of emails. It's the reliable choice when you need proven deliverability at scale.

Key Features:

• Sending API - REST and SMTP for transactional email
• Receiving - Parse and route inbound email
• Validation - Email address verification API
• Analytics - Delivery tracking and insights

Why Mailgun:

• Scale Proven - Handles massive volume reliably
• Deliverability - Established reputation and tools
• Flexibility - REST API, SMTP, and webhooks
• Global - Infrastructure in multiple regions

Mailgun capabilities:

• Templates - Store templates server-side
• Batch Sending - Efficient bulk operations
• Suppression Management - Bounces and complaints handled
• Dedicated IPs - Your own sending reputation

Mailgun is the choice when you need email infrastructure that's proven at scale. It may not have the newest UI or the most modern SDK design, but it reliably delivers email—which is ultimately what matters.