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Sidemail

Provides email sending API, SMTP relay, email automation, and tools for managing subscribers and creating templates.

Launch screenshots from Product Hunt, Nov 2025

An email delivery platform that simplifies sending transactional emails, product updates, and newsletters for SaaS and AI companies. It solves the problem of complex email integration and unreliable delivery. The platform targets developers and marketers in startups and mid-market companies. It is positioned as a simple, reliable alternative to building in-house email systems or using more complicated marketing tools, with an EU-based independent team.

Key features

  • Email sending API
  • SMTP relay
  • Messenger for product updates and newsletters
  • Email automation sequences
  • White-label sending
  • Subscribe forms
  • Contact profiles
  • No-code email editor
  • Transactional email templates
  • Markdown emails
  • Email MCP server for AI tools
  • Stripe customer import
  • No social media activity within the last 30 days
GTM channels
  • Blog
  • API
  • Docs
ICP
  • Software developers
  • Marketing teams
  • Startups