SMTP2GO alternatives
Providers that compete with SMTP2GO on at least one of: Transactional
Reliable SMTP relay with strong deliverability.
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.
SMTP2GO does not cover scheduling and operating track record. MailerSend, Mailgun, and Loops close that gap. The order below weighs this audience's priorities first, so it differs from a general popularity ranking.
ranked for growth and lifecycle teams
- 01
MailerSend
TransactionalModern transactional API with a clean UI.
Adds scheduling over SMTP2GO, with nothing given up on these priorities.
500/mo permanent · $7/mo for 5,000 emails - 02
Mailgun
TransactionalDeveloper-leaning email infra, owned by Sinch.
Adds scheduling over SMTP2GO, with nothing given up on these priorities.
100/day permanent free plan · $15/mo for 10,000 emails (Basic) - 03
Loops
Marketing TransactionalModern lifecycle and broadcast email for SaaS.
Adds scheduling, gives up multi-tenant support.
1,000 contacts and 4,000 sends/mo on the Free plan · $49/mo for 5,000 contacts - 04
Resend
TransactionalEmail API tightly coupled to React Email.
Adds scheduling, gives up multi-tenant support.
3,000/mo permanent, capped at 100/day, one domain · $20/mo for 50,000 emails - 05
Brevo
Transactional MarketingAll-in-one with a generous daily free tier.
Adds scheduling, gives up multi-tenant support.
300/day permanent · $9/mo for 5,000 emails - 06
Postmark
TransactionalTransactional-only, fast and well-delivered.
Matches SMTP2GO on every priority weighed here, so the decision is price and preference.
100/mo developer plan · $15/mo for 10,000 emails - 07
Mailtrap
Transactional TestingOriginally a staging inbox, now a sender too.
Matches SMTP2GO on every priority weighed here, so the decision is price and preference.
4,000/mo (sending), free testing tier · $15/mo for 10,000 sending - 08
Cloudflare Email Service
Inbound TransactionalFree routing, programmable inbound via Workers, sending in beta.
Matches SMTP2GO on every priority weighed here, so the decision is price and preference.
Email Routing free; Email Workers on Workers Free plan · Sending: $0.35 per 1,000 messages (Workers Paid required, $5/mo)
SMTP2GO and its alternatives, side by side
Columns are the priorities growth and lifecycle teams weigh, in order. SMTP2GO 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 |
|---|---|---|---|---|---|---|
| SMTP2GO | No | Yes | 2006 | Yes | Tiers not published in comparable form | Yes |
| 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 |
MailerSend and Mailgun add capability without giving anything up on these priorities. The rest trade one thing for another.