e2a vs turboSMTP
e2a
e2a.devturboSMTP
turbosmtp.comSide by side
| Figure | e2a | turboSMTP |
|---|---|---|
| Price from | $2/mo | €14.95/mo |
| Free plan | — | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 5 | 18 |
| Spec score · Email APIs | 7.9 (#17) | 8.7 (#3) |
| Integrations | The maker documents MCP access and TypeScript and Python SDKs, and says outbound mail can use Amazon SES or Resend as an upstream relay. | A Zapier app launched with Send Email and Find Email Status actions for connecting CRMs, forms, spreadsheets and other Zapier applications. |
| Privacy | The privacy page says e2a stores message headers, bodies, and attachments and does not train models on mail. | The maker's GDPR information says users can update, manage, export, and delete their information and describes its data handling and storage practices. |
| Product | e2a is an open-source email API for applications and AI agents, available as hosted service or self-hosted Apache-2.0 software. | turboSMTP is a cloud SMTP service for sending email messages and newsletters, with statistical analysis for individual and aggregate messages. |
| Self-hosting | The maker says e2a can be self-hosted with a customer-managed Postgres database and outbound mail relay at no license cost. | The documentation describes hosted API and SMTP endpoints and provides no self-hosted deployment package. |
| Transactional email | Applications can send transactional email through the HTTP API or TypeScript and Python SDKs without an agent framework. | Its SMTP API supports sending transactional messages such as login confirmations, welcome messages, and receipts from a website or app. |
Plans
e2a
- Inbox add-on$2 a month
- Starter$10 a month
- Pro$20 a month
- Scale$99 a month
- FreePrice not published
turboSMTP
- FreeFree
- Basic€14.95 a month
- Pro€79.95 a month
- Silver€49 a month
- Gold€92 a month
- Resell€270 a month
- Titanium€450 a month
- Diamond€790 a month
- FREEFree
- BASIC€14.95 a month
In their own words
turboSMTP
turboSMTP is a cloud SMTP service for sending email messages and newsletters, with statistical analysis for individual and aggregate messages. Its SMTP API supports transactional messages such as login confirmations, welcome messages, and receipts from a website or app. The dashboard tracks clicks and opens in real time, while listed tools manage bounces, spam, and unsubscribes. Deliverability features include smart routing, custom tracking domains, and email validation before campaigns. An email marketing tool can design, send, and track campaigns using turboSMTP delivery infrastructure. The service lists SMTP relay, email templates, delivery event webhooks, and a dedicated IP option; inbound email is not supported. It offers a free plan allowing 200 emails per day for the first six months. Basic costs €14.95 a month for 15,000 emails per month; Pro costs €79.95 a month for the same send limit and up to 100 subaccounts. Other listed plans sell email credits, which expire one year after purchase. Platforms include Android, API, iOS, and web. The maker advertises 24/7 multilingual support by phone, chat, and email.