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MailerSend works well for its developer-friendly UI, simple pricing, and fast onboarding, and it’s great for startups and SMBs that want to launch transactional email without a heavy marketing suite.
However, as teams grow, some MailerSend users face limitations like higher-volume pricing, short log retention, or the need for dedicated IPs, advanced analytics, or deeper compliance. Others seek more robust support, broader APIs, or advanced deliverability tools. If you’re considering a switch or simply choosing the right solution from day 1, this guide compares top MailerSend alternatives by pricing, features, and deliverability.
When evaluating the best MailerSend alternatives, we focused on real-world developer and business needs. Our criteria included deliverability, pricing, API quality, analytics, and support so you can choose confidently.
Each MailerSend alternative has unique strengths for teams of different sizes and needs. Compare their approaches, integrations, and pricing to find out which email API is the best fit.
Mailgun delivers transactional and marketing emails through its API, offering high deliverability, deep analytics, and flexible integrations. Compared to MailerSend, Mailgun prioritizes a developer-first experience, robust REST API, longer log retention, and flexible pricing plans. It works well for fast-scaling teams that need advanced compliance and reliability.
Best for:
Engineering-driven startups, SaaS, and enterprises wanting a scalable, reliable email API without a full marketing suite.
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Brevo combines transactional email with marketing automation, SMS/WhatsApp, and push notifications. For teams seeking EU data residency and a unified platform, Brevo works as a strong MailerSend alternative. However, it may be more complex than needed for simple transactional use.
Best for:
Teams wanting marketing and transactional in one suite, especially with EU data storage requirements.
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Elastic Email focuses on low pricing, with some of the most affordable entry-level costs for API and SMTP sending. While it offers global data centers and built-in verification, feature depth and support may not match MailerSend or Mailgun.
Best for:
Startups and small businesses prioritizing low-cost, high-volume sending with basic analytics.
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SMTP2GO delivers reliability, straightforward pricing, and responsive support. With regional endpoints and included dedicated IPs on mid-tier plans, it works as a solid MailerSend alternative for agencies and MSPs.
Best for:
Agencies, MSPs, and SMBs needing dependable SMTP/API sending, included IPs, and strong support.
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SMTP.com offers classic SMTP relay and API focused on dedicated IP delivery and reputation management. While plans suit IT-led teams seeking straightforward contracts, commitments are higher and support/cancellation feedback is mixed compared to MailerSend.
Best for:
IT departments and enterprises seeking dedicated IPs and classic SMTP relay.
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Mailchimp Transactional works well for teams already using Mailchimp, with a robust API/SMTP, rules engine, inbound routing, and subaccounts. Unlike MailerSend, it uses block pricing and requires a Mailchimp Standard or Premium plan.
Best for:
Mailchimp users needing advanced routing, subaccounts, and on-demand pricing.
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Moving from MailerSend to another email API works smoothly with a phased approach. Here’s how to make a clean migration:
For most teams, Mailgun offers the best combination of email deliverability, tooling, and scalability. If you need an all-in-one suite with EU data residency, Brevo works well. Elastic Email stands out for budget-conscious, high-volume senders.
At moderate to high volumes, Elastic Email is typically the lowest-cost option. SMTP2GO and Mailgun also offer competitive pricing depending on your sending volume and IP needs.
Run a parallel send by verifying domains and warming up IPs on the new provider. Test events and webhooks, then switch API or SMTP credentials once your metrics look healthy to avoid interruptions.
Yes. Mailgun, Elastic Email, and Brevo provide free tiers or trials, letting you test their platforms before committing to a paid plan.
Not always. A dedicated IP works well for high-volume or strict reputation control. For low to moderate senders, quality shared IP pools often provide strong deliverability.
Email deliverability depends on your sending practices, but Mailgun, SMTP2GO, and Mailchimp Transactional are consistently strong when best practices are followed.
Most providers offer chat, email, and phone support on paid tiers. Mailgun and SMTP2GO are known for responsive support, while others may vary based on plan and region.
This guide was created by the team at Mailgun by Sinch. While we’ve aimed for a fair comparison of popular email services, our goal is to show you where Mailgun shines. We hope this helps you make the right choice for your needs. Last updated December 2025.
