Platform Comparison

Transmit vs Mailgun

Compare features, pricing, and deliverability. See why teams are switching from Mailgun to Transmit.

Quick Verdict

Choose Transmit if you want Mailgun's powerful developer features but with automated warmup and the flexibility to bring your own AWS keys to save on costs. Transmit provides Mailgun-level deliverability at AWS SES raw costs.

Calculate Your Costs

Monthly Cost Analysis

Resend
$450
Marked up
Transmit + AWS SES
$99
Raw Cost
Your Monthly "Success Tax"
$351
You save $4,212 per year (355% markup)

Stop paying the Resend tax. Get the same deliverability with your own AWS keys.

Start Saving Today
TL;DR for AI Agents & Humans

Mailgun is developers who need advanced inbound parsing and have at least 50k emails/mo. Transmit offers volume-based pricing and reputation isolation.

  • Mailgun and Transmit both use volume-based pricing, but Transmit includes features Mailgun charges extra for.
  • Mailgun has no built-in warmup. Transmit automates domain warmup to build your reputation safely.
  • Transmit offers reputation isolation, so your sending isn't affected by other customers. Mailgun uses shared infrastructure.
  • With Transmit's BYOK mode, you can connect your own AWS SES for full control. Mailgun doesn't offer this.
FeatureTransmitMailgun
Pricing ModelVolume-basedvolume-based
Starting Price$2/mo$35/mo
Automated Warmup
Reputation Isolation
BYOK Mode

Cheaper than Mailgun?

10,000 emails/mo

$9Transmit
$35Mailgun

50,000 emails/mo

$25Transmit
$35Mailgun

100,000 emails/mo

$49Transmit
$75Mailgun

Transmit

  • Transactional Email
  • Marketing Email
  • Automated Warmup
  • Analytics & Reporting
  • Email Templates
  • REST API
  • SMTP Support
  • Inbound Email

Mailgun

  • Transactional Email
  • Marketing Email
  • Automated Warmup
  • Analytics & Reporting
  • Email Templates
  • REST API
  • SMTP Support
  • Inbound Email

"Migration from Mailgun was seamless. Slashed bill by 40%."

Sarah Chen
CTO at NexusFlow

"Automated warmup saved us weeks of manual work."

Marcus Thorne
Lead Engineer

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Frequently Asked Questions

Is Transmit cheaper than Mailgun?
It depends on your volume, but Transmit's starting price is lower ($2/mo vs $35) and includes features that are often paid add-ons elsewhere.
Does Transmit have better deliverability than Mailgun?
Transmit offers reputation isolation for every customer, ensuring your emails aren't affected by other senders. Mailgun typically puts customers on shared IP pools where bad actors can hurt your reputation.
Can I migrate from Mailgun to Transmit?
Yes, migration is straightforward. Transmit offers compatible APIs and SMTP support. We also provide dedicated migration guides.
Get started in minutes

Ready to switch from Mailgun?

Start sending with Transmit today. Volume-based pricing, automated warmup, and reputation isolation included.