turboSMTP vs ZeptoMail
turboSMTP
turbosmtp.com
ZeptoMail
zoho.comSide by side
| Figure | turboSMTP | ZeptoMail |
|---|---|---|
| Price from | €14.95/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 18 | 2 |
| Spec score · Transactional email services | 9.1 (#3) | 7.1 (#39) |
| Spec score · Email APIs | 8.7 (#3) | 7.1 (#29) |
| Spec score · Transactional Email Software | 8.7 (#8) | 7.1 (#39) |
| Founded | 2009 | 1996 |
| Integrations | A Zapier app launched with Send Email and Find Email Status actions for connecting CRMs, forms, spreadsheets and other Zapier applications. | Listed integrations include Zoho Flow, Zoho CRM, WordPress, Zapier, Microsoft Power Automate, Magento, Laravel, and Django. |
| Security | Pricing lists SPF/DKIM authentication, API keys, custom sending domains with SPF/DKIM/DMARC, and two-factor authentication as security and compliance features. | The service supports encryption at rest and TLS, SPF, DKIM, CNAME verification, two-factor authentication, role permissions, and IP restrictions for sending. |
| Support | The company states that ticket, live-chat and phone support are available around the clock and handled by human staff. | Zoho CPaaS says technical assistance is included regardless of usage level, with no tiered support plans. |
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
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.