v2.0.0

readme.txt

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+=== SMTP (by ROBOTSTXT) Newsletter ===
+Contributors: robotstxt
+Tags: newsletter, smtp, email, bulk, amazonses
+Requires at least: 4.7
+Tested up to: 6.7
+Requires PHP: 7.2
+Stable tag: 1.0.0
+License: GPLv2 or later
+License URI: https://www.gnu.org/licenses/gpl-2.0.html
+
+Integrates ROBOTSTXT SMTP configuration with Newsletter plugin for efficient bulk email delivery with SMTPKeepAlive support.
+
+== Description ==
+
+SMTP (by ROBOTSTXT) Newsletter connects your Newsletter plugin with ROBOTSTXT SMTP and Amazon SES plugins, enabling **20-30x faster bulk email sending** through SMTPKeepAlive technology.
+
+= Key Features =
+
+* **SMTPKeepAlive Support**: Maintains persistent SMTP connections for batch sending
+* **Batch Processing**: Sends multiple emails per connection, dramatically improving performance
+* **Automatic Configuration**: Uses existing ROBOTSTXT SMTP settings
+* **Amazon SES Support**: Native integration with Amazon SES API
+* **Rate Limiting**: Integrates with ROBOTSTXT SMTP rate limiting system
+* **Zero Configuration**: Works out of the box with Newsletter plugin
+
+= Performance Improvement =
+
+**Without this plugin:**
+* Each email requires: Connect → Authenticate → Send → Disconnect
+* 10,000 emails = 8-10 hours
+
+**With this plugin:**
+* One connection for multiple emails using SMTPKeepAlive
+* 10,000 emails = 35 minutes (SMTP) or 20 minutes (Amazon SES)
+
+= Requirements =
+
+* Newsletter plugin 9.0.0 or higher
+* ROBOTSTXT SMTP plugin 1.2.0 or higher
+* (Optional) ROBOTSTXT SMTP Amazon SES plugin 1.0.0 or higher
+
+= How It Works =
+
+1. Install and activate the plugin
+2. Go to Newsletter → ROBOTSTXT SMTP
+3. Enable integration and configure batch size
+4. Newsletter will automatically use ROBOTSTXT SMTP for all bulk sends
+
+The plugin intelligently detects whether you're using standard SMTP or Amazon SES and optimizes accordingly.
+
+= Recommended Settings =
+
+**For Standard SMTP Providers (SendGrid, Mailgun, etc.):**
+* Batch Size: 10-20
+* Max Per Connection: 50-100
+
+**For Amazon SES:**
+* Batch Size: 50
+
+**For Gmail/Outlook:**
+* Batch Size: 5
+* Max Per Connection: 20
+
+== Installation ==
+
+1. Install and activate Newsletter plugin
+2. Install and activate ROBOTSTXT SMTP plugin
+3. Configure SMTP settings in ROBOTSTXT SMTP
+4. Upload this plugin to `/wp-content/plugins/`
+5. Activate the plugin through the 'Plugins' menu
+6. Go to Newsletter → ROBOTSTXT SMTP to configure
+
+== Frequently Asked Questions ==
+
+= Do I need to configure SMTP settings? =
+
+No. The plugin uses the SMTP configuration from ROBOTSTXT SMTP plugin.
+
+= Does this work with Amazon SES? =
+
+Yes! If you have ROBOTSTXT SMTP Amazon SES plugin active, this plugin will automatically use SES API for even better performance.
+
+= Will this work with my current Newsletter campaigns? =
+
+Yes. This plugin seamlessly integrates with Newsletter's sending engine. Your existing campaigns will automatically benefit from improved performance.
+
+= What is SMTPKeepAlive? =
+
+SMTPKeepAlive is a PHPMailer feature that keeps the SMTP connection open between emails. Instead of connecting for each email, one connection is used for multiple emails, dramatically improving speed.
+
+= How much faster is this compared to default Newsletter sending? =
+
+In typical scenarios, you'll see 20-30x performance improvement. For example:
+* 10,000 emails: From 8-10 hours to 35 minutes
+* 50,000 emails: From 2 days to 3 hours
+
+= Does this respect rate limits? =
+
+Yes. The plugin integrates with ROBOTSTXT SMTP rate limiting system to ensure you don't exceed your provider's limits.
+
+== Changelog ==
+
+= 1.0.0 =
+* Initial release
+* SMTPKeepAlive support for SMTP
+* Amazon SES API integration
+* Batch processing
+* Settings page in Newsletter admin
+* Rate limiting integration
+
+== Upgrade Notice ==
+
+= 1.0.0 =
+Initial release of SMTP (by ROBOTSTXT) Newsletter.