KingSMTP is described as 'Transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero' and is a Email Marketing service in the bitcoin & cryptocurrency category. There are more than 100 alternatives to KingSMTP, not only websites but also apps for a variety of platforms, including SaaS, Windows, Self-Hosted and Mac apps. The best KingSMTP alternative is Listmonk, which is both free and Open Source. Other great sites and apps similar to KingSMTP are Brevo, Stripo.email, useSend and Sendgrid.
Unified platform offering email, SMS, automation, transactional messages, integrations with CMS, e-commerce, social and chat tools, robust API, competitive email-based pricing, free and scalable plans, and multi-channel audience engagement management.
France
EU
Send e-mail campaigns, newsletters, manage mailing lists, all from a powerful self-hosted dashboard released as a single binary. High performance and feature packed open source app written in Golang, and backed by Postgres.
India
Email editor with 1700+ templates, drag & drop and AMP editing, real-time co-editing, AI writing, pre-send testing, and connections to 90+ ESPs and CRMs. Exports support Gmail, Outlook, PDF, and HTML.
United States
Open-source email platform for transactional, marketing, and product messaging via REST API, SMTP relay, or SDKs, featuring campaign editor, list and domain management, analytics, webhooks, template support, suppression lists, and flexible hosting options.
Australia
Scalable email delivery for transactional email SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings.
Mailgun is email automation for developers. Use our REST APIs to effortlessly send, receive and track email from your website or application.
United States
Simple newsletter management with easy-to-use interface, Markdown and HTML support and helpful tools like analytics + automatic link checking.
United States
Leverage drag and drop email editing, automated email and SMS campaigns, real-time analytics, and responsive templates. Integrates with ecommerce, CRM, and CMS platforms including WordPress and Shopify, plus allows email segmentation and contact management.
LithuaniaEU
Access powerful tools for creating, monetizing, and scaling newsletters. Beehiiv offers premium subscription monetization, a flexible email editor, first-party data for segmentation, and in-depth analytics, all without taking a revenue cut. Engage your audience and optimize growth with customizable features.
United States
A comprehensive digital marketing solution, Marketo Engage allows marketers to understand audiences, engage personally, and manage teams while adapting to industry changes. Core features include a global ecosystem of technology and service partners, fostering collaboration through robust community and resource sharing.
United States
Sympa is an electronic mailing list manager. It is used to automate list management functions such as subscription, moderation and management of archives.
Web-based solution for automating cross-channel campaigns with AI-driven insight, advanced workflow triggers, campaign analysis, lead management, CRM integration, split testing, segmentation, and tools to optimize customer journeys and support strategic execution.
United States
