
MailerSend has the lowest monthly subscription on this page and the third-highest cost per thousand emails on it. That is not a contradiction — it is the whole trade. Its $7 Hobby plan buys 5,000 emails, which works out at $1.40 per thousand. Resend’s $20 buys 50,000, or $0.40 per thousand. Amazon SES charges no subscription at all and bills $0.16 per thousand on the plan new accounts are placed on by default. Below about 5,000 emails a month MailerSend is among the cheapest ways to send. Above it, the curve turns against you, and that is when people start reading pages like this one.
We priced six alternatives against MailerSend in September 2026 and ranked them by our own overall score. Two platforms on this page clear 7.0 on all four axes that decide a transactional sender — deliverability, value, support and API. MailerSend is one of them. The other is SMTP2GO, and it beats MailerSend on three of the four. This is not a “top 50” listicle: every alternative below wins on a named axis for a named kind of sender, and we say which.
Three reasons, and all three are about what happens when your volume grows.
The entry price is low because the plan is small, not because the mail is cheap. At $1.40 per thousand on Hobby, MailerSend is more expensive per email than four of the six alternatives here, and roughly nine times the cost of Amazon SES Essentials. The Starter plan improves this sharply — $35 for 50,000 emails is $0.70 per thousand — but that is still above Resend and Elastic Email at the same volume, both of which charge under $0.41 per thousand for 50,000.
The dedicated IP is out of reach and unpriced. MailerSend reserves dedicated IPs for Enterprise accounts sending more than 100,000 emails a week, and does not publish a price for one. Every other platform on this page that offers a dedicated IP publishes what it costs: Amazon SES at $24.95 a month, Resend at $30, Postmark from $50, and SMTP2GO includes one from its Professional tier. If reputation isolation is on your roadmap, this is the wall you hit, and you cannot even budget for it.
Log retention on the plans you would actually start on is 24 hours. Free and Hobby keep one day of message history; Starter keeps 7 days and Professional 30. Postmark keeps 45 days on every plan including its free one. When a customer writes in to say a password reset never arrived, a 24-hour window is often already closed.
The case for staying. MailerSend scores 9.0 on our API and MCP axis — joint third-highest across the 42 platforms in our database, behind only two platforms at 9.5 — and ships an official MCP server. It also clears 7.0 on deliverability, value, support and API simultaneously, which exactly one other platform on this page manages. If you are sending under 50,000 emails a month and nobody is asking you for a dedicated IP, most of what follows is a lateral move.
Ranked by our overall score. Prices are the publisher list price billed monthly, in September 2026, with the cost per thousand emails derived from the volume each plan includes.
| Platform | Score | Starting $ | Free plan | Best for | MCP | Deliverability | Verdict |
|---|---|---|---|---|---|---|---|
| SMTP2GO | 7.5 | $10/mo — 10,000 emails ($1.00/1k) | 1,000/mo, capped at 200/day | Teams who want a phone number when delivery breaks | Yes | High | Support 9.0 vs 7.0, deliverability 8.5 vs 7.5, API 7.5 vs 9.0 |
| Resend | 7.4 | $20/mo — 50,000 emails ($0.40/1k) | 3,000/mo, capped at 100/day | React and Next.js teams writing emails as components | Yes | Medium | API 9.5 vs 9.0, $0.40 vs $1.40 per 1k, deliverability 6.5 vs 7.5 |
| Postmark | 7.1 | $15/mo — 10,000 emails ($1.50/1k) | 100/mo, no overage permitted | Password resets and receipts that have to arrive | Yes | High | Deliverability 9.0 vs 7.5, value 5.0 vs 7.5 |
| Elastic Email | 6.7 | $19/mo — 50,000 emails ($0.38/1k) | 3,000/mo, capped at 100/day | Low cost per thousand with a marketing layer attached | Yes | Medium | Value 8.0 vs 7.5, $0.38 vs $1.40 per 1k, support 5.5 vs 7.0 |
| Amazon SES | 6.3 | $0.16/1k — no monthly fee | None for accounts opened after 21 July 2026 | High volume with engineering time to spend | Partial | High | Value 9.0 vs 7.5, support 5.0 vs 7.0, ease 5.0 vs 7.5 |
| Mailgun | 5.9 | $15/mo — 10,000 emails ($1.50/1k) | 100/day, permanent, 1 day of logs | Inbound routing and parsing, not just outbound | Yes | Medium | API 8.5 vs 9.0, support 5.0 vs 7.0, deliverability 7.0 vs 7.5 |
Score is our overall rating out of 10, recorded in our platform database; it is not a score invented for this comparison. Deliverability is derived from our deliverability rating: High is 8.0 and above, Medium is 6.0 to 7.9, Low is below 6.0. MailerSend itself scores 7.1 overall with deliverability 7.5, value 7.5, support 7.0 and API 9.0, and its $7 Hobby plan works out at $1.40 per thousand emails. Cost per thousand is derived from the plan’s own included volume, so it describes the entry tier and not what you would pay at scale — every platform here gets cheaper per email as the plan gets bigger.

SMTP2GO holds a support rating of 9.0 — the highest we have recorded across 42 platforms, matched by exactly one other — and it is the only platform on this page that offers telephone support on its paid plans. It also scores 8.5 for deliverability against MailerSend’s 7.5. Paid opens at $10 a month for 10,000 emails, or $1.00 per thousand, and Professional is $75 for 100,000, or $0.75 per thousand.
| MailerSend | SMTP2GO | |
|---|---|---|
| Support rating | 7.0 | 9.0 |
| Deliverability rating | 7.5 (Medium) | 8.5 (High) |
| Value rating | 7.5 | 8.5 |
| Telephone support | Not documented | On paid plans |
| Dedicated IP | Enterprise only, price not published | Included from Professional |
| API and MCP rating | 9.0 | 7.5 |
What you give up: the developer surface. SMTP2GO scores 7.5 on our API and MCP axis against MailerSend’s 9.0, and 8.5 for ease of use against MailerSend’s 7.5 — it is easier to operate and thinner to build against. If your integration is a few SMTP credentials and a webhook, you will not notice. If you have built against MailerSend’s API and template system, you will. Its free tier is also the smallest here bar Postmark’s: 1,000 emails a month, and capped at 200 a day, a daily limit that only appears in the publisher’s help centre and not on the pricing page.
From $10/mo
10,000 emails · $75 at 100,000
Support 9.0, the highest in our database. Annual billing is advertised as two months free, and the arithmetic checks out: $100 a year against twelve months at $10.
Resend scores 9.5 on our API and MCP axis and 9.0 for ease of use — the joint-highest ease score in our database. Its $20 Pro plan includes 50,000 emails, which is $0.40 per thousand against MailerSend’s $1.40, and the free tier carries 3,000 emails a month against MailerSend’s 500. For a product team already writing JSX, this is the shortest distance between a template and a sent email.
| MailerSend | Resend | |
|---|---|---|
| Cost per thousand, entry plan | $1.40 | $0.40 |
| Free plan, monthly emails | 500 | 3,000 |
| API and MCP rating | 9.0 | 9.5 |
| Ease of use rating | 7.5 | 9.0 |
| Dedicated IP | Enterprise only, price not published | $30/mo on Scale |
| Deliverability rating | 7.5 (Medium) | 6.5 (Medium) |
What you give up: a point of deliverability, and the daily cap on free. Resend scores 6.5 for deliverability against MailerSend’s 7.5. Both are Medium, but it is the wrong direction for the one metric a transactional sender cannot compensate for in code. The free plan’s 3,000 monthly emails are also capped at 100 a day, so a burst of signups will hit the ceiling long before the month does; paid plans carry no daily limit. Overage on Pro is $0.90 per thousand, more than twice the included rate.
From $20/mo
50,000 emails · $0.40 per thousand
API 9.5 and ease 9.0, both at the top of our database. Dedicated IP $30 a month on Scale, for senders above 3,000 emails a day.

Postmark’s deliverability rating of 9.0 is not the highest on this page, it is the highest we have recorded anywhere, across every platform in our database. It keeps 45 days of message history on every plan including the free one, against 24 hours on MailerSend’s Hobby tier. If your email is password resets, order confirmations and two-factor codes, that combination is the entire argument.
| MailerSend | Postmark | |
|---|---|---|
| Deliverability rating | 7.5 (Medium) | 9.0 (High) |
| Message retention, entry plan | 24 hours | 45 days |
| Message retention, free plan | 24 hours | 45 days |
| Dedicated IP | Enterprise only, price not published | From $50/mo, Pro and above |
| Cost per thousand, entry plan | $1.40 | $1.50 |
| Value rating | 7.5 | 5.0 |
What you give up: price, and a quota that counts more than you think. Postmark’s value rating is 5.0 against MailerSend’s 7.5, the widest value gap on this page, and overage on the entry plan is $1.80 per thousand. Worse for budgeting, Postmark counts inbound processing and sandbox tests against the same quota as sent mail — a sent message, a processed inbound message and a sandboxed test each count as one email. If you use inbound parsing, your real cost per delivered email is higher than the headline rate. Postmark also offers no annual billing at all, which it states plainly, so there is no discount to negotiate down to.
From $15/mo
10,000 emails · $1.50 per thousand · no annual billing
Deliverability 9.0 and API 9.5. Free Developer plan is 100 emails a month with no overage allowed.
We may earn a commission if you sign up through this link. It does not change our score, which comes from our own testing.

Elastic Email’s Email API Starter plan is $19 a month for 50,000 emails, or $0.38 per thousand — the cheapest subscription rate here and a quarter of MailerSend’s entry rate. It also runs a separate contact-priced marketing product, from $29 a month for 2,500 contacts and 37,500 emails, which MailerSend does not offer at all. Its value rating is 8.0 against MailerSend’s 7.5.
What you give up: support, and clarity about what you bought. Elastic Email scores 5.5 for support against MailerSend’s 7.0. And the two price grids are a trap in their own right: the same plan names, Starter and Pro, appear on both the API grid and the marketing grid at different prices for different units — emails on one, contacts on the other. Read which grid you are on before you compare it to anything. Inbound routing is Pro-only, and the publisher does not publish an overage rate on either grid.
From $19/mo
Email API Starter, 50,000 emails · $0.38 per thousand
Marketing product priced separately, from $29 a month at 2,500 contacts. Official MCP server.

Nothing here comes close to SES on raw cost. New accounts are placed on Essentials at $0.16 per thousand with no monthly fee — roughly a ninth of MailerSend’s entry rate — and accounts with SES activity since 1 June 2025 can still use the legacy rate of $0.10 per thousand. A dedicated IP is $24.95 a month, the cheapest here.
What you give up: everything that is not sending, and the free tier is gone. SES scores 5.0 for support and 5.0 for ease of use against MailerSend’s 7.0 and 7.5 — the two largest drops on this page. There is no template builder a non-engineer can touch, no dashboard worth the name, and reputation management is your job. On 21 July 2026 AWS removed the SES free tier for new accounts and began placing them on Essentials by default; new accounts instead get up to $200 in AWS credits, usable for six months. Note also that Essentials at $0.16 is 60 percent more than the legacy rate it replaced.
$0.16 per 1,000
Essentials, no monthly fee · Pro $105/mo plus $0.22 per 1,000
Free tier withdrawn for new accounts on 21 July 2026. Legacy $0.10 rate still available to accounts active since 1 June 2025.
Mailgun is the only platform here built around inbound as a first-class feature: routes, parsing and webhooks that turn received mail into structured data. If your product has a reply-to address that does something, that is a capability you cannot assemble out of MailerSend. Mailgun scores 8.5 on our API axis and offers EU-region hosting from a single account.
What you give up: support, and a price curve that does not behave. Mailgun scores 5.0 for support against MailerSend’s 7.0 and 6.0 for ease of use against 7.5, and its overall rating of 5.9 is the lowest on this page. There is also a genuine oddity worth knowing before you plan an upgrade: Foundation at $35 for 50,000 emails is $0.70 per thousand, while Scale at $90 for 100,000 is $0.90 per thousand. Moving up the ladder makes each email more expensive, not less — Scale buys retention, a dedicated IP and SSO, not cheaper mail.
From $15/mo
Basic, 10,000 emails · Foundation $35 at 50,000
Free plan is permanent at 100 emails a day, not a trial. Inbound routing on every tier.
At the entry tier, in order: Amazon SES at $0.16 per thousand with no monthly fee, Elastic Email at $0.38, Resend at $0.40, SMTP2GO at $1.00, then MailerSend at $1.40, with Postmark and Mailgun both at $1.50. But read the second column too: SES bills purely per email, so its monthly floor is whatever you send, while Resend’s $0.40 assumes you use all 50,000 emails in the $20 plan. Send 2,000 emails a month and MailerSend’s $7 is cheaper in absolute terms than Resend’s $20, even at three and a half times the rate per thousand. The rate per thousand only decides it once you are filling the plan.
Not MailerSend, in practice: it reserves dedicated IPs for Enterprise accounts sending above 100,000 emails a week and does not publish a price. The published alternatives are Amazon SES at $24.95 a month, Resend at $30 a month on its Scale plan and only for senders above 3,000 emails a day, Postmark from $50 a month on Pro and above with a 300,000-a-month volume requirement, and SMTP2GO, which includes one from its Professional tier at $75 a month. Note that every one of them attaches a volume floor: a dedicated IP with too little traffic warms badly and hurts deliverability, which is why nobody sells you one at 5,000 emails a month.
Postmark, at 9.0 — and that is the highest deliverability rating we have recorded across all 42 platforms in our database, not merely the highest on this page. SMTP2GO follows at 8.5 and Amazon SES at 8.0, both also High. MailerSend sits at 7.5, which is Medium under our banding, as are Mailgun at 7.0 and Resend at 6.5. If deliverability is the reason you are reading this page, the shortlist is two names long and the trade is priced: Postmark costs you value, 5.0 against MailerSend’s 7.5, and SMTP2GO costs you API quality, 7.5 against 9.0.
On 21 July 2026 AWS introduced named plans — Essentials, Pro and Enterprise — and removed the SES free tier for new accounts. New accounts, and accounts with no SES activity since 1 June 2025, are placed on Essentials at $0.16 per thousand with no monthly fee. Accounts that have been sending are left on the legacy pay-as-you-go rate of $0.10 per thousand, which still exists and has not been withdrawn — the plans were added alongside it, not in place of it. New accounts get up to $200 in AWS credits over six months instead of a free tier. If you read elsewhere that SES now costs $0.16 full stop, that is true only for accounts opened after July.
SMTP2GO, on the numbers. It is the only other platform on this page that clears 7.0 on deliverability, value, support and API at once, and it scores 8.5 for ease of use against MailerSend’s 7.5, so the operational experience is familiar and slightly better. The difference is direction: MailerSend leans developer, with a 9.0 API score, while SMTP2GO leans operations, with a 9.0 support score and a phone number. If what you liked about MailerSend was the API, Resend is the closer match despite the lower deliverability rating.
If you send under about 50,000 emails a month, nobody is asking you for a dedicated IP, and a 24-hour log window has never cost you an afternoon — probably yes. MailerSend is one of only two platforms on this page that clears 7.0 on all four axes that matter for transactional mail, and its API score of 9.0 is joint third-highest across our whole database. The honest triggers to leave are specific, not general: your volume has grown past the point where $1.40 per thousand is rational, someone has asked for reputation isolation you cannot buy, a support incident has needed a phone call, or you have started receiving email as well as sending it. Each of those points at a different name above, and none of them is “MailerSend is bad”.
This review follows our email infrastructure testing methodology. We disclose affiliate relationships in our editorial independence policy.