MailerSend alternatives
Providers that compete with MailerSend on at least one of: Transactional
Modern transactional API with a clean UI.
Switching as growth and lifecycle teams
Growth work lives or dies on targeting and measurement. What matters is whether behavioral triggers can be built without engineering time, whether the event stream supports attribution past the open, and whether deliverability holds when broadcast volume shares a reputation with product email.
MailerSend does not cover operating track record, and none of the alternatives below close that gap either. If it is a hard requirement, the shortlist has to widen beyond this category.
ranked for growth and lifecycle teams
- 01
Mailgun
TransactionalDeveloper-leaning email infra, owned by Sinch.
Matches MailerSend on every priority weighed here, so the decision is price and preference.
100/day permanent free plan · $15/mo for 10,000 emails (Basic) - 02
Loops
Marketing TransactionalModern lifecycle and broadcast email for SaaS.
Gives up multi-tenant support against MailerSend and adds nothing on these priorities.
1,000 contacts and 4,000 sends/mo on the Free plan · $49/mo for 5,000 contacts - 03
Resend
TransactionalEmail API tightly coupled to React Email.
Gives up multi-tenant support against MailerSend and adds nothing on these priorities.
3,000/mo permanent, capped at 100/day, one domain · $20/mo for 50,000 emails - 04
Brevo
Transactional MarketingAll-in-one with a generous daily free tier.
Gives up multi-tenant support against MailerSend and adds nothing on these priorities.
300/day permanent · $9/mo for 5,000 emails - 05
Postmark
TransactionalTransactional-only, fast and well-delivered.
Gives up scheduling against MailerSend and adds nothing on these priorities.
100/mo developer plan · $15/mo for 10,000 emails - 06
Mailtrap
Transactional TestingOriginally a staging inbox, now a sender too.
Gives up scheduling against MailerSend and adds nothing on these priorities.
4,000/mo (sending), free testing tier · $15/mo for 10,000 sending - 07
Cloudflare Email Service
Inbound TransactionalFree routing, programmable inbound via Workers, sending in beta.
Gives up scheduling against MailerSend and adds nothing on these priorities.
Email Routing free; Email Workers on Workers Free plan · Sending: $0.35 per 1,000 messages (Workers Paid required, $5/mo) - 08
SMTP2GO
TransactionalReliable SMTP relay with strong deliverability.
Gives up scheduling against MailerSend and adds nothing on these priorities.
1,000/mo permanent · $10/mo for 10,000 emails
MailerSend and its alternatives, side by side
Columns are the priorities growth and lifecycle teams weigh, in order. MailerSend is the first row so the trade in each direction is readable at a glance.
| Provider | Scheduling | Event stream | Operating since | Suppressions API | Best published rate per 1,000 | Multi-tenant |
|---|---|---|---|---|---|---|
| MailerSend | Yes | Yes | 2020 | Yes | Tiers not published in comparable form | Yes |
| Mailgun | Yes | Yes | 2010 | Yes | $0.70 | Yes |
| Loops | Yes | Yes | 2022 | Yes | Tiers not published in comparable form | No |
| Resend | Yes | Yes | 2023 | Yes | $0.35 | No |
| Brevo | Yes | Yes | 2012 | Yes | Tiers not published in comparable form | No |
| Postmark | No | Yes | 2010 | Yes | $1.50 | Yes |
| Mailtrap | No | Yes | 2014 | Yes | Tiers not published in comparable form | Yes |
| Cloudflare Email Service | No | Yes | Not published | Yes | Tiers not published in comparable form | Yes |
| SMTP2GO | No | Yes | 2006 | Yes | Tiers not published in comparable form | Yes |
Nothing on this list is a clean upgrade: every alternative trades something away against MailerSend on these priorities, so the choice depends on which of them the build actually needs.