v2.2.3

changelog.txt

@@ -1,3 +1,9 @@
+= 2.2.3 =
+
+* CRITICAL FIX: Overridden get_emails_per_run() to bypass Newsletter's internal calculation
+* FIXED: Newsletter was calculating batch = speed / 12, resulting in only 8-16 emails per execution
+* FIXED: Plugin now directly returns configured batch_size for proper queue loading
+
 = 2.2.2 =
 
 * FIXED: Newsletter now correctly respects configured batch_size when enqueuing emails

includes/class-plugin.php

@@ -126,6 +126,9 @@ class Plugin extends \NewsletterMailerAddon {
 		// Load text domain.
 		add_action( 'init', array( $this, 'load_textdomain' ) );
 
+		// Force batch size in Newsletter cron.
+		add_filter( 'newsletter_max_emails', array( $this, 'filter_max_emails' ), 999 );
+
 		// Register admin pages.
 		if ( is_admin() ) {
 			require_once ROBOTSTXT_SMTP_NEWSLETTER_PATH . 'admin/class-settings-page.php';
@@ -138,6 +141,25 @@ class Plugin extends \NewsletterMailerAddon {
 		}
 	}
 
+	/**
+	 * Filter Newsletter's max emails per execution.
+	 *
+	 * Forces Newsletter to use our configured batch_size.
+	 *
+	 * @param int $max_emails Newsletter's calculated max emails.
+	 *
+	 * @return int Our configured batch_size.
+	 */
+	public function filter_max_emails( $max_emails ) {
+		// Only apply if our addon is enabled.
+		$settings = $this->get_settings();
+		if ( empty( $settings['enabled'] ) ) {
+			return $max_emails;
+		}
+
+		return absint( $settings['batch_size'] ?? 10 );
+	}
+
 	/**
 	 * Load plugin text domain for translations.
 	 *
@@ -172,10 +194,19 @@ class Plugin extends \NewsletterMailerAddon {
 		// Calculate optimal speed (emails per hour) based on rate limits.
 		$speed = $this->calculate_optimal_speed( $smtp_settings );
 
+		// CRITICAL: For queue-based architecture, speed must be high enough
+		// that Newsletter loads all emails at once. Newsletter calculates
+		// batch_size = speed / (60 / cron_interval). With default 5-minute cron:
+		// batch_size = speed / 12. To get batch_size = configured value,
+		// we need: speed = batch_size * 12.
+		$batch_size       = $settings['batch_size'] ?? 10;
+		$speed_multiplier = 12; // Assumes 5-minute cron (12 executions per hour).
+		$calculated_speed = max( $speed, $batch_size * $speed_multiplier );
+
 		// Newsletter expects 'turbo' for batch_size and 'speed' for emails/hour.
 		$mailer_options = array(
-			'turbo' => $settings['batch_size'] ?? 10,
-			'speed' => $speed,
+			'turbo' => $batch_size,
+			'speed' => $calculated_speed,
 		);
 
 		// Detect if Amazon SES is active.
@@ -188,6 +219,47 @@ class Plugin extends \NewsletterMailerAddon {
 		}
 	}
 
+	/**
+	 * Get maximum emails per execution.
+	 *
+	 * Newsletter checks this method to determine batch size.
+	 *
+	 * @return int
+	 */
+	public function get_max_emails() {
+		$settings = $this->get_settings();
+		return absint( $settings['batch_size'] ?? 10 );
+	}
+
+	/**
+	 * Get batch size.
+	 *
+	 * Alternative method that Newsletter may check.
+	 *
+	 * @return int
+	 */
+	public function get_batch() {
+		return $this->get_max_emails();
+	}
+
+	/**
+	 * Override Newsletter's calculation of emails per run.
+	 *
+	 * Newsletter normally calculates: batch = speed / runs_per_hour
+	 * For queue-based architecture, we want to enqueue all emails at once.
+	 *
+	 * @return int Configured batch_size.
+	 */
+	public function get_emails_per_run() {
+		$settings = $this->get_settings();
+		if ( empty( $settings['enabled'] ) ) {
+			// If addon is disabled, use parent's calculation.
+			return parent::get_emails_per_run();
+		}
+
+		return absint( $settings['batch_size'] ?? 10 );
+	}
+
 	/**
 	 * Calculate optimal speed (emails per hour) based on rate limits.
 	 *

readme.txt

@@ -4,7 +4,7 @@ Tags: newsletter, smtp, email, bulk, queue, worker, amazonses, statistics
 Requires at least: 4.7
 Tested up to: 6.9
 Requires PHP: 7.2
-Stable tag: 2.2.2
+Stable tag: 2.2.3
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
 
@@ -141,6 +141,11 @@ Yes. The plugin integrates with ROBOTSTXT SMTP rate limiting system to ensure yo
 
 == Changelog ==
 
+= 2.2.3 =
+* CRITICAL FIX: Overridden get_emails_per_run() to bypass Newsletter's internal calculation
+* FIXED: Newsletter was calculating batch = speed / 12, resulting in only 8-16 emails per execution
+* FIXED: Plugin now directly returns configured batch_size for proper queue loading
+
 = 2.2.2 =
 * FIXED: Newsletter now correctly respects configured batch_size when enqueuing emails
 * FIXED: Emails are now enqueued all at once to database instead of gradually
@@ -180,6 +185,9 @@ Yes. The plugin integrates with ROBOTSTXT SMTP rate limiting system to ensure yo
 
 == Upgrade Notice ==
 
+= 2.2.3 =
+CRITICAL: Fixed Newsletter loading only 8-16 emails per execution. Now correctly loads all emails based on configured batch_size.
+
 = 2.2.2 =
 Fixed batch size enforcement - emails now enqueue correctly all at once instead of gradually.
 

robotstxt-smtp-newsletter.php

@@ -3,7 +3,7 @@
  * Plugin Name:       Newsletter - SMTP (by ROBOTSTXT)
  * Plugin URI:        https://git.robotstxt.es/ROBOTSTXT/robotstxt-smtp-newsletter
  * Description:       Integrates ROBOTSTXT SMTP configuration with Newsletter plugin for efficient bulk email delivery with database-backed queue and external workers.
- * Version:           2.2.2
+ * Version:           2.2.3
  * Requires at least: 4.7
  * Requires PHP:      7.2
  * Security:          robotstxt@robotstxt.es
@@ -25,7 +25,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 }
 
 // Plugin constants.
-define( 'ROBOTSTXT_SMTP_NEWSLETTER_VERSION', '2.2.2' );
+define( 'ROBOTSTXT_SMTP_NEWSLETTER_VERSION', '2.2.3' );
 define( 'ROBOTSTXT_SMTP_NEWSLETTER_FILE', __FILE__ );
 define( 'ROBOTSTXT_SMTP_NEWSLETTER_PATH', plugin_dir_path( __FILE__ ) );
 define( 'ROBOTSTXT_SMTP_NEWSLETTER_URL', plugin_dir_url( __FILE__ ) );