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  • Retention email strategy templates
    11 views | 8 min read

    Retention email strategy 2025: Best practices and templates

    Templates
  • Build a customer retention email strategy
    35 views | 6 min read

    Building a customer retention email strategy in 2025

    Best Practices
  • What is email API and how is it useful?
    66 views | 8 min read

    Email API: What is it, and how is it useful?

    Email sending
  • How does an API work?
    93 views | 6 min read

    A beginner's guide to API (Application Programming Interface)

    Email sending
  • Sandbox email testing
    92 views | 5 min read

    Sandbox testing in transactional email sending: A comprehensive guide

    Best Practices
  • Should you build or buy your transactional email service?
    75 views | 8 min read

    Should you build or buy your transactional email service?

    Email sending
  • 8 payment confirmation emails for 2025
    994 views | 6 min read

    8 proven payment confirmation email strategies for 2025

    Best Practices
  • Craft effective reminder emails
    300 views | 6 min read

    Best practices for creating effective reminder emails

    Best Practices
  • Free SMTP checker tools
    1.2K views | 3 min read

    5 free SMTP checker tools to test your configuration

    Tools
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