Documentation-based comparison
SMTP2GO versus Resend
Compare documented scope and conditions. Unknowns remain unknown; different billing units do not establish a cost winner.
| Requirement | SMTP2GO | Resend |
|---|---|---|
| Pricing | From $15/mo | From $20/mo |
| Who it is for | Email delivery for transactional email from apps, everyday email from Outlook and marketing email with an unsubscribe link. Verified Oct 11, 2026 · SMTP2GO homepage | Sends application email, such as password resets and order confirmations, through the /emails API; marketing broadcasts use a separate API. Verified Oct 11, 2026 · Resend: official product and plan documentation |
| Coverage limits | The free plan is limited to 200 emails a day and does not allow extra emails. Verified Oct 11, 2026 · SMTP2GO pricing, loaded monthly plan cards | Every account starts at 10 API requests per second, whatever the plan; an increase goes through support. Verified Oct 11, 2026 · Resend help: account quotas and limits |
| Sending volume |
| Paid plans have no daily cap, but received emails and every To, CC and BCC recipient count toward the monthly quota. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Sender domains | SPF and DKIM are set up automatically for your sending domains. Verified Oct 11, 2026 · SMTP2GO homepage | Pro and Scale can add 100 more domains for USD 20 a month; Enterprise limits are set by contract. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Log retention |
| Free and Pro: 30-day data retention. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Webhooks and events | Not verified | Pro: 5 webhook endpoints. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Dedicated IP |
| USD 30 a month add-on on Scale for customers sending more than 3,000 emails a day; Resend warms up, monitors and scales the IP. Verified Oct 11, 2026 · Resend: official product and plan documentation |
| Support | Starter: ticket, chat and phone support. Verified Oct 11, 2026 · SMTP2GO: official product and plan documentation
| Slack support and an urgent-response SLA are not included on Free or Pro. Verified Oct 11, 2026 · Resend: official product and plan documentation
|
| Overage charges |
| Paid plans can keep sending past the monthly quota with pay-as-you-go, capped by default at 5 times the quota; sending then pauses until the next billing cycle. Support can adjust the cap. Verified Oct 11, 2026 · Resend help: account quotas and limits
|
| Coverage note | At the default volume shown. | All webhook event types are available on every plan. |