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Mailgun
Email delivery built for developers
As of 29 August 2026, Mailgun is free to use. Transactional and bulk email API service for developers, offering SMTP relay and validation with usage based tiers. Softwr lists it under Marketing.
Overview
What Mailgun does
Transactional and bulk email API service for developers, offering SMTP relay and validation with usage based tiers.
What people use it for
- Transactional email delivery and SMTP relay
- Email marketing at scale for developers and enterprises
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Mailgun.
- Free tier limited to 100 emails per day, restricting high-volume use cases
- Log retention minimal on lower tiers (1 day on Free and Basic plans)
- Add-on pricing for email validations and extra emails can accumulate quickly for high-traffic users
Cross-shopped
What people choose instead of Mailgun
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- MailgunvsBuffer
Buffer: Build your audience organically on social media
- MailgunvsHootsuite
Hootsuite: Save time and grow on social media
- MailgunvsMoz
Moz: SEO software for smarter marketing
Pricing
What Mailgun costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Free
Free
- 100 emails per day
- Basic APIs
- SMTP relay
- 1 custom domain
- 1 day log retention
Basic
$15 /mo
- 10,000 emails per month
- No daily limits
- Monthly overage options
- 1 custom domain
- 1 day log retention
Foundation
$35 /mo
- 50,000 emails per month
- 1,000 custom domains
- Email template builder
- 5 days log retention
Scale
$90 /mo
- 100,000 emails per month
- SAML SSO
- 5,000 email validations
- Dedicated IP pools
- 30 days log retention
- Phone and chat support
Enterprise
On request
- Custom email volume
- Scale plan features plus custom solutions
- Deliverability services
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
What happens when I exceed my monthly email quota?
Mailgun allows monthly overage options on paid plans. Extra emails are charged from $1.30 to $1.10 per 1,000 emails depending on plan tier. Enterprise customers negotiate custom rates.
SourceCan I upgrade from Free to a paid plan and when does billing begin?
Yes, you can upgrade to paid plans anytime. The first month is free on Foundation ($35/month) and Scale ($90/month) plans, with billing starting on month two.
SourceWhat currencies and billing periods does Mailgun support?
Mailgun supports monthly billing in USD, EUR, and GBP. Charges are prorated for mid-month signups. Annual billing options are not explicitly listed on the pricing page.
SourceKeep looking
Where to go from Mailgun
- Mailgun alternativesEvery product people weigh against it
- Mailgun pricingPlans, floors and what the tiers exclude
- Mailgun badgesWhich rules it meets, and the figure behind each
- All Marketing softwareThe full category
- Best Marketing softwareThe shortlist, and how it was cut
Best Marketing software for
Compare Mailgun with
- Moz
- Buffer
- Wrike
- Hootsuite
- Postmark
- Northbeam
- Iterable
- Ahrefs
- Customer.io
- MoEngage
- Attribution
- Instapage
- WebEngage
- Woopra
- Wunderkind
- Typeform
- Optimizely
- MoEngage
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Softwr does not host reviews and shows no star rating for Mailgun, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on Mailgun
Mailgun alternatives
What people switch to, and what they give up
Mailgun pricing
Every tier, and where the cost actually lands
Compare Mailgun
Put it head to head with anything we hold
Mailgun badge
Its rating, and an embed for your own site
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