{
  "name": "Newsletter - SMTP (by ROBOTSTXT)",
  "slug": "robotstxt-smtp-newsletter",
  "version": "2.0.0",
  "author": "ROBOTSTXT",
  "homepage": "https://git.robotstxt.es/ROBOTSTXT/robotstxt-smtp-newsletter",
  "download_url": "https://git.robotstxt.es/ROBOTSTXT/robotstxt-smtp-newsletter/releases/download/2.0.0/robotstxt-smtp-newsletter-2.0.0.zip",
  "requires": "4.7",
  "tested": "6.9",
  "requires_php": "7.2",
  "description": "Integrates ROBOTSTXT SMTP configuration with Newsletter plugin for efficient bulk email delivery with SMTPKeepAlive support. Achieves 20-30x faster bulk sending compared to standard wp_mail().",
  "changelog": "<h4>2.0.0 - 2026-01-29</h4><ul><li><strong>Changed:</strong> Updated compatibility with SMTP (by ROBOTSTXT) plugin 2.0.0</li><li><strong>Changed:</strong> Enhanced integration with core SMTP plugin security improvements</li><li><strong>Improved:</strong> Better error handling and validation</li><li><strong>Improved:</strong> Code quality improvements</li></ul><h4>1.0.0 - 2026-01-29</h4><ul><li><strong>Added:</strong> Initial release</li><li><strong>Added:</strong> SMTPKeepAlive support for efficient SMTP batch sending</li><li><strong>Added:</strong> Amazon SES API integration for optimized delivery</li><li><strong>Added:</strong> Dynamic speed calculation from SMTP rate limits (up to 32,400 emails/hour)</li><li><strong>Added:</strong> Batch processing with configurable batch size (up to 2,610 emails per chunk)</li><li><strong>Added:</strong> Automatic FROM address configuration from ROBOTSTXT SMTP</li><li><strong>Added:</strong> HELO hostname configuration for multisite compatibility</li><li><strong>Added:</strong> Resilient error handling - continues sending even if individual recipients fail</li><li><strong>Added:</strong> WP-CLI compatibility for cron execution</li><li><strong>Performance:</strong> 20-30x faster bulk email sending compared to standard wp_mail()</li><li><strong>Performance:</strong> Sends 22 emails in ~7 seconds using SMTPKeepAlive</li></ul>"
}