Alternatives · Email Sending
KumoMTA alternatives
As of Nov 13, 2026, the highest-graded KumoMTA alternative is MailChannels (2.8 GPA). It's also the best free one. The catch, in its listing's words: "Up to 3,000 emails a month and 100 a day."
KumoMTA compared with 5 alternatives: MailerQ, MailChannels, Bird Email, AhaSend and Hyvor Relay.
KumoMTA has a free plan. Paid plans start at $5,000 per billion messages per year for Silver support. 4 of the 5 alternatives are free or have a free plan. One more offers a free trial.
Listings checked up to Nov 13, 2026 · Where the facts come from
Black Friday: is there a KumoMTA sale?
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| KumoMTAThis tool | Free plan · from $5,000/yr | Yes | Linux |
| MailerQ | Free trial · from €10,000 one-time | Trial only | Web |
| MailChannels | Free plan · from $10/mo | Yes | Web |
| Bird Email | Free plan · from $15/mo | Yes | Web |
| AhaSend | Free plan · from $10/mo | Yes | Web |
| Hyvor Relay | Free plan · from €10,000/yr | Yes | Web |
Price against what you get
KumoMTA starts at $416.67 a month when paid by the year and scores 2.0 out of 4 on features, ease of use and platforms. 3 of the 4 alternatives on this chart score higher and start lower: MailChannels, Bird Email and AhaSend.
Features, ease of use and platforms, averaged
What paid plans start at, a month (each step along is roughly double) →
- The best score at each price
- Has a free plan
- No free plan
How each one differs from KumoMTA
MailerQ
Self-hosted mail transfer agent for high-volume email sending
- MailerQ starts at €10,000 one-time per instance, plus €2,000 a year for updates and support.
- MailerQ has no free plan, only a free trial, unlike KumoMTA.
- MailerQ also lists a web app.
- MailerQ lists no Linux app, which KumoMTA has.
- MailerQ also covers inbox warm-up and dMARC.
Suits: Email service providers and platforms sending millions of messages a day
MailChannels
Email API and SMTP relay for platforms with many downstream senders
- MailChannels starts at $10 per month for 10,000 emails, billed monthly.
- MailChannels also lists a web app.
- MailChannels lists no Linux app, which KumoMTA has.
Suits: SaaS platforms that send mail for many customers and need per-tenant limits
Bird Email
SparkPost's successor: Bird's email API, paid from a prepaid balance
- Bird Email starts at $15 per month, deposited to your Bird balance.
- Bird Email also lists a web app.
- Bird Email lists no Linux app, which KumoMTA has.
- Bird Email also covers email campaigns.
Suits: Existing SparkPost customers planning their next integration
AhaSend
EU-hosted transactional email API and SMTP relay with a free tier
- AhaSend starts at $10 per month for 25,000 emails, billed monthly.
- AhaSend also lists a web app.
- AhaSend lists no Linux app, which KumoMTA has.
- AhaSend also covers email campaigns.
Suits: Developers who want a free tier and EU-hosted sending
Hyvor Relay
Open-source email API you can self-host
- Hyvor Relay starts at €10,000 per year and up (Enterprise License).
- Hyvor Relay also lists a web app.
- Hyvor Relay lists no Linux app, which KumoMTA has.
Suits: Teams that want to run their own sending infrastructure
Limits worth knowing in KumoMTA
- It is software you run yourself on your own servers; the pages do not say which operating systems are supported.
- Support is priced per billion messages a year with no server limit; Silver is business hours only, and Enterprise has no published price.
- Configuration is done in Lua scripting, so it suits engineers, not a point-and-click setup.
Common questions
What are the alternatives to KumoMTA?
The alternatives to KumoMTA in this directory are MailerQ, MailChannels, Bird Email, AhaSend and Hyvor Relay. Each one has a side-by-side comparison with KumoMTA.
Is there a free alternative to KumoMTA?
Yes. MailChannels, Bird Email, AhaSend and Hyvor Relay have a free plan alongside paid ones.
When were these prices checked?
Each listing shows its own date. On this page they run from Nov 9, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.