EmailSuccess vs turboSMTP
EmailSuccess
emailsuccess.comturboSMTP
turbosmtp.comSide by side
| Figure | EmailSuccess | turboSMTP |
|---|---|---|
| Price from | €333.33/mo | €14.95/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 4 | 18 |
| Spec score · Transactional Email Software | 9.4 (#1) | 8.7 (#8) |
| Spec score · Transactional email services | 9.1 (#4) | 9.1 (#3) |
| Company founded | LinkedIn lists the company as founded in 1996 with 51–200 employees. | The company says turboSMTP was founded in 2009. |
| Dedicated IP option | Yes | Yes |
| Free plan | Yes | No |
| Integrations | Listed technology integrations include Splunk, Elastic, Kafka, Pravega, HerdDB, Rspamd, Ongage, BlackBox and MySQL. | A Zapier app launched with Send Email and Find Email Status actions for connecting CRMs, forms, spreadsheets and other Zapier applications. |
| Privacy | Diennea's privacy policy says its website personal-data processing is described under GDPR and identifies Diennea as the data controller. | The maker's GDPR information says users can update, manage, export, and delete their information and describes its data handling and storage practices. |
| Product | EmailSuccess is an on-premises high-performance mail transfer agent for enterprise email gateways and high-volume SMTP servers. | turboSMTP is a cloud SMTP service for sending email messages and newsletters, with statistical analysis for individual and aggregate messages. |
| Rating on G2 | 4.0 out of 5 from 2 reviews | 4.0 out of 5 from 23 reviews. |
| Support | The Free plan lists community forum support, while Standard and Enterprise list individual support. | The company states that ticket, live-chat and phone support are available around the clock and handled by human staff. |
| What it does | EmailSuccess is an on-premises mail-transfer agent for enterprise gateways and high-volume SMTP sending. | turboSMTP provides hosted SMTP relay and API infrastructure for transactional, marketing and newsletter email delivery. |
Plans
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
EmailSuccess
EmailSuccess is an on-premises mail transfer agent for enterprise email gateways and high-volume SMTP servers. It manages outbound delivery, sending reputation, and changing authentication requirements. Its deliverability engine analyzes ISP responses and adjusts delivery settings in real time. Flexible queues, multiple IP pools, and connection pooling support high-volume sending and traffic prioritization. Authentication features include DKIM signing, DMARC compliance, and SPF and SenderID monitoring; TLS delivery encryption can be governed by configurable rules. The product classifies and reports bounces and feedback loops, and can forward ISP spam complaints to another system. Sending and message analysis are supported through SMTP, input scripting and filtering, and REST and SOAP APIs. Management tools include VirtualMTA traffic segmentation, an SSH console, and a web interface for monitoring and message history. The Free plan costs nothing, billed annually, and lists 100,000 emails per day and two active IPs.
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.