10 Best Mailgun Alternatives for Founders [2026 Updated]

1. SendGrid

• Type: Paid
• URL: https://sendgrid.com
• Overview: SendGrid is a cloud-based email delivery platform from Twilio that offers a transactional email API, SMTP relay, and marketing campaign tools. It is widely used for scalable email sending with analytics and deliverability features.

2. Postmark

• Type: Paid
• URL: https://postmarkapp.com
• Overview: Postmark is a transactional email service focused on fast delivery and high inbox placement. It provides an API, SMTP, and separate message streams for transactional and broadcast email.

3. Amazon SES

• Type: Paid
• URL: https://aws.amazon.com/ses/
• Overview: Amazon Simple Email Service is a low-cost, scalable email sending service from AWS for transactional and bulk email. It integrates with other AWS services and supports both SMTP and API sending.

4. Brevo

• Type: Paid
• URL: https://www.brevo.com
• Overview: Brevo, formerly Sendinblue, provides a transactional email API and SMTP relay alongside marketing automation and CRM features. It offers a free tier with daily sending limits and paid plans for higher volumes.

5. Mailjet

• Type: Paid
• URL: https://www.mailjet.com
• Overview: Mailjet is an email service with APIs and SMTP relay for transactional and marketing email. It includes a drag-and-drop template editor, real-time tracking, and collaboration tools for teams.

6. SparkPost (Bird)

• Type: Paid
• URL: https://bird.com
• Overview: SparkPost is now part of Bird and provides high-volume email delivery APIs with deep analytics and deliverability insights. It is aimed at enterprises and developers that need reliable large-scale sending.

7. Mandrill

• Type: Paid
• URL: https://mandrillapp.com
• Overview: Mandrill is the transactional email add-on from Mailchimp, delivering triggered emails through an API or SMTP. It requires a paid Mailchimp plan and offers templates, tracking, and webhooks.

8. SMTP2GO

• Type: Paid
• URL: https://www.smtp2go.com
• Overview: SMTP2GO is an email delivery service offering SMTP relay and an API with reporting and global infrastructure. It includes a free plan with a monthly sending limit and paid tiers for growing volume.

9. Resend

• Type: Paid
• URL: https://resend.com
• Overview: Resend is a developer-focused email API with a modern interface and React Email support for building templates. It offers a free tier and paid plans for transactional and marketing email.

10. Elastic Email

• Type: Paid
• URL: https://elasticemail.com
• Overview: Elastic Email is an email delivery platform providing an SMTP relay, a REST API, and marketing tools. It is known for affordable pay-as-you-go pricing suited to small and mid-sized senders.