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
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
SendOps is the control plane for Amazon SES. Manage identities, suppression, deliverability, production access, and team permissions across every AWS account from one workspace — without ever relaying your mail. Your AWS account stays yours; SES still does the sending.
United States
SendFleet is a transactional email API built for developers and product teams that need reliable delivery for application emails such as password resets, notifications, magic links, and order confirmations.
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
SMTP.com is an email infrastructure provider that helps deliver your emails to Internet Service Providers (ISPs). It improves your email delivery success rate by integrating your traffic into its reputable flow.
United States
Amazon Simple Email Service (Amazon SES) is a cost-effective outbound-only email-sending service built on the reliable and scalable infrastructure that Amazon.com has developed to serve its own customer base.
United States
Mailjet is an email service provider that works with brands like Microsoft, Etsy, Product Hunt, Toast to help create, send, and optimize marketing and transactional emails. Founded in France in 2010, serves more than 150,000 customers worldwide in 156 countries, sending over 1...
United States
Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders.
United States
Postmark is a fast and reliable transactional email service. Send with Postmark to ensure your transactional emails get to the inbox on time, every time.
United States
API-based solution for transactional emails that is enabled to be integrated into any website or CRM system effortlessly.
Reloop gives you the same capabilities as SendGrid, Mailchimp, Resend, and Loops — but the codebase is open source and fully self-hostable.
India
