M+M Mailing

M+M Mailing is a WordPress email marketing plugin for managing contacts, mailing lists, campaigns, templates, delivery queues and campaign performance.

Features include:

• Contact and list management.
• CSV contact import with field mapping.
• Campaign builder and HTML email editor.
• Scheduled campaigns.
• Background delivery through WordPress Cron.
• Configurable SMTP delivery through WordPress PHPMailer.
• Sending queue with retries and error logging.
• Open and click tracking.
• Unsubscribe and spam-report tracking links.
• Campaign statistics and delivery KPIs.
• Test email delivery.
• Custom contact fields.
• Campaign attachments.

M+M Mailing uses WordPress APIs and does not require external JavaScript CDNs.

1.2.62

• CORRECCIÓN: el Constructor de campañas queda registrado como página administrativa real y ya no se elimina del árbol de submenús, evitando el mensaje de WordPress “Sorry, you are not allowed to access this page.” al abrir admin.php?page=mm-campaign-builder.
• MEJORA: añadido un control de permisos explícito dentro del callback del Constructor de campañas.
• MANTENIMIENTO: sincronizada la versión del esquema interno con la versión 1.2.62.

1.2.61

• CORRECCIÓN: añadido uninstall.php para eliminar todas las tablas propias de M+M Mailing al desinstalar el plugin.
• CORRECCIÓN: también se eliminan opciones, previsualizaciones temporales, transients y eventos WP-Cron propios del plugin.
• CORRECCIÓN: inicialización temprana de los filtros de Suscriptores para evitar warnings de variables indefinidas en PHP 8.x.
• CORRECCIÓN: optimizada la bandera de plantillas predeterminadas para evitar consultas repetidas en cada carga.
• MEJORA: el diagnóstico del sistema verifica todas las tablas utilizadas por el plugin.

1.2.60

• CORRECCIÓN: el Builder de campañas se registra con un parent válido y se oculta del menú después del registro, evitando valores NULL en get_admin_page_title() de WordPress/PHP 8.2+.
• CORRECCIÓN: eliminada la sobrecarga de admin_title que no podía prevenir el warning de strip_tags() porque ocurría antes del filtro.
• CORRECCIÓN: sincronizados todos los argumentos de la consulta preparada de Estadísticas con sus 58 placeholders.
• PRESERVADO: corrección de campos personalizados de suscriptores al editar contactos.

1.2.59

• CORRECCIÓN: ajustados los argumentos de la consulta preparada de Estadísticas para que coincidan exactamente con sus placeholders.
• CORRECCIÓN: sincronizada la versión del plugin con Stable tag.
• PRESERVADO: corrección de campos personalizados de suscriptores al editar contactos.

1.2.58

• CORRECCIÓN: mejoras de diagnóstico y compatibilidad del administrador.

1.3.1

• MEJORA: administración bilingüe Español / English según el idioma de WordPress.
• AGREGADO: infraestructura i18n, Text Domain y catálogos de idioma.
• MEJORA: navegación principal traducible y traducción automática de etiquetas administrativas heredadas.

1.2.56

• Plugin Check: corrected remaining dynamic ORDER BY warnings in Segments, Logs and Statistics using fully prepared static SQL ordering conditions.
• Preserved existing sorting ASC/DESC, search, filters and pagination.
• No campaign selection or statistics functionality was removed.

1.2.52

• Plugin Check: resolved the remaining PreparedSQL.NotPrepared report in the selected-list CSV export query.
• The dynamically sized IN() placeholder list is generated only from validated integer list IDs and prepared immediately before execution.
• Synchronized plugin header, version constant and stable tag to 1.2.52.

1.2.51

• Corrected remaining dynamic ORDER BY queries reported by Plugin Check.
• Preserved campaign selection, pagination, search and existing functionality.

1.2.50

• Sanitized dynamic ORDER BY handling in campaigns, templates, lists, custom fields and subscribers.
• Reworked campaign-list relationship queries to use identifier and value placeholders.
• Hardened subscriber CSV export queries and synchronized plugin metadata.

1.2.39

• Fixed the two remaining PreparedSQL.NotPrepared errors in the campaign builder list queries.
• Sanitized campaign list IDs as integers before constructing IN() clauses.
• Kept dynamic table identifiers and contact status handling inside prepared queries.
• Updated the in-plugin changelog shown at admin.php?page=mm-changelog.

1.2.38

• Improved nonce validation and input handling in AJAX/contact search and campaign builder.
• Hardened dynamic table identifiers and queue update queries.
• Improved prepared SQL handling for campaign list queries.
• Added lightweight caching to the import screen data lookups.
• Improved database safety checks during table verification.

1.2.36

• Hardened admin request handling with explicit input checks, unslashing and sanitization in fields, lists, segments, campaigns, templates and shortcodes.
• Removed dead dynamic SQL filter construction from the queue screen and kept queue queries on prepared statements.
• Improved prepared SQL handling for plugin-controlled table identifiers and pagination values.
• Added nonce protection to custom-field management actions.
• Improved tracking and unsubscribe/spam request input handling without changing mailing behavior.

1.2.33

• Hardened admin input handling with explicit unslash and sanitization for settings, lists, segments, subscribers, templates and queue actions.
• Reworked dynamic queue/list queries to use prepared statements and identifier placeholders.
• Added proper segment edit/update handling and nonce protection.
• Fixed pagination queries in campaigns and templates.
• Improved queue action nonce handling and search/filter sanitization.
• Improved campaign/list/template bulk-action database safety.

1.2.31

• Fixed the Stable tag mismatch so the readme version matches the plugin header.
• Hardened database checks and dynamic queries used by the admin system, statistics and template screens.
• Improved Plugin Check compatibility for database parameter handling.
• Continued cleanup of database query patterns to reduce false-positive security warnings.

1.2.26

• Added three starter email templates: Welcome, Special Promotion and Monthly Newsletter.
• Added safe one-time template seeding for new and existing installations without overwriting user-created templates.
• Improved the CSV import example with neutral sample contact data.

1.2.25

• Fixed bulk list deletion by removing contact and campaign relationships before deleting lists.
• Deleting a list no longer deletes subscribers; it only removes their relationship with that list.
• Added CSV import recommendations covering file format, UTF-8 encoding, headers, required email field, separators and file-size limits.
• Added import-file validation guidance with a 10 MB recommended size and a 25 MB screen limit.

1.2.24

• Fixed list selection for Duplicate and Delete actions.
• Improved the visual presentation of CSV import mode options.
• The list subscriber view now shows all available standard and custom fields.

1.2.22

• Unsubscribe changes the contact to Unsubscribed and excludes it from future sends.
• Spam reporting records the complaint and blocks the contact from future mailings.
• Added subscriber states for unsubscribe and spam.
• Added friendly URLs and secure tokens for unsubscribe and spam reporting.
• Added List-Unsubscribe and List-Unsubscribe-Post headers.

1.2.21

• Version visible across all plugin views.
• New Cambios y mejoras tab with version history.
• 🚀 Cola de Envío label and per-campaign processing controls.

1.2.14

• Hardened dynamic SQL filters in subscriber exports, logs, segments and campaign queue generation.
• Reworked campaign-builder list selection to use prepared placeholders.
• Improved subscriber filtering and ordering query construction.
• Reduced Plugin Check database-query findings without changing campaign delivery behavior.

1.2.7

• Reworked queue, delivery tracking and test-email handling.
• Added reliable WYSIWYG template editing and campaign template loading.
• Hardened database queries, scheduled-date handling and tracking pixel delivery.
• Added manual queue processing safeguards and improved campaign completion states.

1.2.3

• Improved WordPress output escaping across admin screens.
• Improved campaign builder attachment output escaping.
• Improved system diagnostics output escaping.
• Updated WYSIWYG campaign editor compatibility.

1.2.2

• Hardened campaign admin output escaping and safe admin URLs.
• Replaced nonce field echoing with direct WordPress nonce output.
• Improved campaign pagination and metric output escaping.
• Replaced JavaScript redirects with safe WordPress redirects.

1.2.1

• Reworked queue processing with stale-job recovery and real delivery error capture.
• Fixed scheduled campaign queue generation.
• Corrected campaign statistics to use sent queue messages as the delivery denominator.
• Added a native WordPress WYSIWYG/HTML editor for campaign and template content.
• Added template preview and safer template editing.
• Improved queue and campaign completion handling.

1.1.0

• Fixed campaign queue creation and background processing.
• Fixed tracking schema required by open and click statistics.
• Added queue retry handling and email delivery logs.
• Fixed scheduled campaign queue creation.
• Corrected campaign KPI denominators to use successfully sent messages.
• Added database migrations for existing installations.
• Removed external JavaScript CDN dependencies from the admin.
• Added GPL license metadata and WordPress.org readme information.