Mailing Manager – PN for WordPress Plugin Directory

Transform your WordPress site into a powerful email management hub with our intuitive plugin. Whether you’re running newsletters, promotional campaigns, or customer outreach, this tool empowers you to Schedule Emails (plan campaigns in advance with an easy-to-use scheduler), Personalize Content (Create tailored messages with dynamic content fields), Track Performance (Monitor open rates, click-through rates, and engagement metrics in real time), Seamless Integration (Connect with popular email services or use your SMTP server), Automation Features (Set up automated responses and drip campaigns to save time and boost engagement), Email Design System (Customize typography, colors, buttons, and headers/footers with a live preview panel), Deliverability Analysis (SPF, DKIM, DMARC, and MX record verification with a 0-100 score), Queue Monitoring (Floating status button, global queue popup with estimated completion times, and consecutive errors auto-pause), WooCommerce Email Wrapping (Apply your branded template to all WooCommerce transactional emails), and Error Diagnostics (Detailed error logging, per-email retry, and admin notifications). Perfect for bloggers, small businesses, and marketers, this plugin combines simplicity with robust functionality to ensure your emails get delivered and make an impact. Start growing your audience today!

Core Features

Email Template Management: Create and manage unlimited email templates using WordPress’s familiar post editor. Each template supports rich HTML content, custom styling, and dynamic shortcodes for personalized messaging.

SMTP Configuration: Full SMTP support with authentication, allowing you to connect to any SMTP server (Gmail, Outlook, custom servers). Configure SMTP host, port, security (TLS/SSL), authentication credentials, and custom sender information. Includes Gmail-specific optimizations for better deliverability.

Email Queue System: Intelligent email queue management that processes emails in controlled batches. Configure sending rates (emails per 10 minutes and daily limits) to prevent server overload and ensure optimal deliverability. Automatic queue pausing when daily limits are reached, with automatic reset after 24 hours.

Scheduled Email Delivery: Schedule emails to be sent at specific times in the future. Perfect for welcome emails, follow-ups, and time-sensitive campaigns. Includes delayed welcome email functionality with configurable delays.

Email Tracking & Analytics: Comprehensive tracking system including:

Open Tracking: Optional tracking of email opens using invisible tracking pixels. Monitor when recipients open your emails with timestamps. Can be disabled to prioritize deliverability over tracking.

Click Tracking: Track all link clicks in emails. See which links are clicked most, track unique clicks per user, and analyze click patterns.

Detailed Statistics: View click statistics by URL, total clicks, unique users who clicked, and detailed click history with timestamps and IP addresses.

Email Deliverability Enhancements: Advanced features to ensure your emails reach the inbox:

Optional Open Tracking: Disable JavaScript-based open tracking to improve spam scores and deliverability ratings

List-Unsubscribe Headers: RFC 2369/8058 compliant List-Unsubscribe headers for all emails (URL + mailto dual format)

One-Click Unsubscribe: Support for List-Unsubscribe-Post headers for Gmail/Yahoo compliance

Deliverability Checker: Comprehensive 9-point check system including:

SPF, DKIM, DMARC, and MX record verification

JavaScript detection in emails (affects spam score)

List-Unsubscribe header validation

Text/plain version recommendations

SMTP configuration validation

FROM address verification

Mail-Tester Optimization: Built to achieve 10/10 Mail-Tester scores when properly configured

Email Types & Automation:

Welcome Emails: Automated welcome emails for new users with configurable delays

One-Time Emails: Send emails that are only sent once per recipient

Published Content Emails: Automatically send emails when new content is published. Configure to send notifications about new posts, pages, or custom post types

Coded Emails: Special emails with unique codes (e.g., verification codes)

Password Reset Emails: Customizable password reset emails with branded templates

New User Notifications: Automated emails sent when new users register

WooCommerce Integration: Seamless integration with WooCommerce for e-commerce email automation:

Purchase Emails: Automatically send emails after purchase completion with configurable delays

Abandoned Cart Emails: Detect and send emails to users who abandon their shopping carts. Configurable delay periods (minutes, hours, or days)

Cart Tracking: Monitor cart activity and send targeted recovery emails

WooCommerce Email Wrapping: Optionally wrap WooCommerce transactional emails with the MailPN template (header, footer, design settings, legal info)

Email Distribution Options: Flexible recipient targeting:

Send to all users

Send to specific user roles

Send to individual selected users

Support for custom user queries

Exception Management: Advanced email filtering system:

Exclude specific email domains from receiving emails

Exclude individual email addresses

Perfect for testing environments or excluding internal accounts

Email Records & History: Complete audit trail of all sent emails:

Track every email sent with full details (recipient, subject, content, attachments, timestamps)

View email status (sent, queued, failed)

Detailed error logging for failed sends

Email content stored in both HTML and plain text formats

Server information and IP tracking

Dashboard & Statistics: Comprehensive dashboard providing:

Recent sent emails count (last 7 days)

Pending scheduled emails count

Detailed email history with filtering options

Visual statistics and progress tracking

Email queue status monitoring

Email Templates & Branding: Professional email template system:

Customizable header images

Customizable footer images

Configurable maximum email width

Legal information footer (company name, address)

Custom footer messages

Social media links support

Responsive design for mobile devices

Email Design System: Comprehensive design customization with live preview:

Typography Settings:

Font family selector with visual preview of each font option

Separate font sizes for desktop and mobile devices

Customizable heading sizes (H1, H2, H3)

Adjustable line height for better readability

Color Customization:

Background color control

Text color customization

Button background and text colors

Header and footer background colors

Footer text color settings

Button Styling:

Configurable border radius

Custom colors for background and text

Live Preview System:

Real-time preview of design changes

Desktop and mobile view toggle

Sample content with all formatting elements (headings, paragraphs, lists, buttons)

Instant visual feedback while adjusting settings

Design Consistency:

All design settings automatically applied to ALL email types

Native WordPress emails (password reset, new user notifications)

WooCommerce emails

Custom templates and mass mailings

Test emails with comprehensive formatting examples

Dynamic Content & Shortcodes: Powerful shortcode system for personalization:

[user-name] – Display recipient’s name

[post-name] – Display post titles with links

[new-contents] – Display recently published content

Support for user data (first name, last name, email, nickname, ID)

Post-specific shortcodes

Custom content filters

Test Email Functionality: Send test emails to verify templates before sending to all recipients. Test emails bypass queue system and restrictions for immediate delivery.

Error Handling & Logging: Robust error management:

Detailed error messages for failed sends

SMTP error reporting

Option to email admin on send failures with full diagnostics (SMTP config, server info, context)

Error retry functionality for individual emails and bulk resend

Comprehensive error logs with timestamps and details saved to wp-content/mailpn-email-errors.log

Global error log viewer with full log access, statistics, and clearing functionality

Error popup integration for quick troubleshooting

Improved message contrast for better readability of error and success notifications

Exact error count display with singular/plural formatting

Detailed error view per record: error message, recipient, subject, headers, server IP, user info

Distinction between validation skips and actual send failures for accurate error counting

Role-Based Permissions: Fine-grained access control:

Custom capabilities for email management

Role-specific permissions for creating, editing, and sending emails

Taxonomy capabilities for email categories

Secure permission system following WordPress standards

Email Queue Management: Advanced queue control:

View and manage pending emails

Pause/resume queue functionality

Progress tracking for bulk sends

Automatic cleanup of processed items

Queue status indicators

Floating queue status button for administrators showing pending count and send/pause state

Global queue status popup with templates breakdown, next batch preview, estimated send times, and daily limit progress

Consecutive errors auto-pause: configurable limit that automatically pauses the queue after repeated failures and notifies the admin

Estimated completion time calculation for ongoing sends

Remove individual users from specific template queues

Welcome Email Management: Dedicated interface for managing welcome emails:

View pending welcome email registrations

Manage scheduled welcome emails

Cleanup tools for old or stuck registrations

Unified management interface

Notifications System: Built-in notification management:

User notification preferences

Subscription management links in emails

Unsubscribe functionality

Integration with USERSPN plugin for enhanced user management

Multilingual Support: Fully translation-ready:

Translation files included for Spanish (ES), Catalan (CA), Basque (EU), Galician (GL), Italian (IT), and Portuguese (PT)

Uses WordPress i18n standards

Easy to translate with Loco Translate or similar tools

Security Features:

Nonce verification for all AJAX requests

Input sanitization and validation

KSES filtering for HTML content

Secure SMTP password storage

Permission checks throughout

Cron Job Management: Automated background processing:

Daily cleanup tasks (removed users, old logs)

Every 10 minutes email queue processing

Weekly maintenance tasks

Scheduled email processing

WooCommerce automated email processing

Onboarding Tutorial: Interactive 5-step tutorial overlay for first-time users covering Email Contents, Email Design, SMTP Configuration, and key features. Includes progress bar, skip/back/next navigation, and section highlighting.

Deliverability Analysis Tools: Built-in diagnostic suite:

SPF, DKIM (5 common selectors), DMARC, and MX record verification with a 0-100 score

Email header analysis for pasted headers (SPF/DKIM/DMARC results, spam flags)

External service test email sender for use with mail-tester.com

User notification management: search users, toggle notification status, view per-user sending statistics (sent, opened, clicked, detailed history)

Form Builder Integration: Advanced form building capabilities:

Multiple input types (text, email, select, textarea, file uploads, images, videos, audio)

Native file upload input support with accept attribute

Conditional fields

Multi-field groups

Password strength checker

Range inputs with visual feedback

Star rating inputs

Section labels with customizable colors

Colored collapsible sections with CSS variable theming

Public-Facing Features:

Email subscription management popups

Unsubscribe functionality

Click tracking redirects

Open tracking endpoints

Public shortcodes for notifications

Developer-Friendly:

Well-structured codebase following WordPress coding standards

Extensible with filters and hooks

Custom post types for emails and records

Custom taxonomies for organization

REST API endpoints for tracking

Perfect for bloggers, small businesses, e-commerce stores, and marketers who need a comprehensive email management solution without the complexity of external services. The plugin integrates seamlessly with WordPress and provides all the tools you need to create, send, track, and manage your email campaigns effectively.

Credits This plugin stands on the shoulders of giants

Owl Carousel v2.3.4

Licensed under: SEE LICENSE IN https://github.com/OwlCarousel2/OwlCarousel2/blob/master/LICENSE

Copyright 2013-2018 David Deutsch

https://owlcarousel2.github.io/OwlCarousel2/

https://github.com/OwlCarousel2/OwlCarousel2/blob/develop/dist/owl.carousel.js

Trumbowyg v2.27.3 – A lightweight WYSIWYG editor

alex-d.github.io/Trumbowyg/

License MIT – Author : Alexandre Demode (Alex-D)

https://github.com/Alex-D/Trumbowyg/blob/develop/src/ui/sass/trumbowyg.scss

https://github.com/Alex-D/Trumbowyg/blob/develop/src/ui/sass/trumbowyg.scss

https://github.com/Alex-D/Trumbowyg/blob/develop/src/trumbowyg.js

Developers This section provides comprehensive documentation for developers who want to integrate or extend the MAILPN plugin functionality.

Plugin Structure

Main File: mailpn.php

Version: 1.0.85

Constants: MAILPN_VERSION, MAILPN_DIR, MAILPN_URL, MAILPN_CPTS

Custom Post Types: mailpn_mail (emails), mailpn_rec (records)

Sending Emails Programmatically Using Shortcode (Recommended) The primary method to send emails is through the [mailpn-sender] shortcode:

`

do_shortcode(‘[mailpn-sender

mailpn_type=”email_welcome”

mailpn_user_to=”1″

mailpn_subject=”Email Subject”

mailpn_id=”123″

mailpn_once=”1″

]Email content here[/mailpn-sender]’);

`

Parameters:

* mailpn_user_to (required): User ID or email address

* mailpn_id (optional): Post ID of type mailpn_mail

* mailpn_type (optional): Email type (email_welcome, email_published_content, email_coded, etc.)

* mailpn_subject (optional): Email subject line

* mailpn_once (optional): Set to 1 to send only once per user

* post_id (optional): Related post ID

* post_parent_id (optional): Parent post ID

* mailpn_attachments_paths (optional): File paths to attach. Accepts array, serialized string, or comma-separated paths. Each path is validated with file_exists() before attaching.

Using PHP Class Directly `

$mailing = new MAILPN_Mailing();

$result = $mailing->mailpn_sender([

‘mailpn_user_to’ => 1,

‘mailpn_id’ => 123,

‘mailpn_type’ => ’email_welcome’,

‘mailpn_subject’ => ‘Welcome’,

‘mailpn_once’ => 1

], ‘Email content’);

<h3>Available Shortcodes</h3><h3>Content Shortcodes</h3>*[mailpn-text query=”addressee_name” user_id=”1″]- Display user data (name, email, ID, nickname)

*[user-name]- Display recipient's name

*[post-name]- Display post title with link

*[new-contents]- Display recently published content

*[mailpn-contents post_id=”123″]- Display content based on email type<h3>Utility Shortcodes</h3>*[mailpn-mail]- Render complete email

*[mailpn-call-to-action]- Call-to-action button

*[mailpn-notifications]- Notification system

*[mailpn-notifications-counter]- Notification counter<h3>Configuration Options</h3>

Access plugin settings using WordPressget_option():<h3>SMTP Configuration</h3>*mailpn_smtp_enabled- Enable/disable SMTP ('on'/'off')

*mailpn_smtp_wp_native_emails- Use SMTP for native WordPress emails ('on'/'off'). When on, password recovery, new user notification, comment notifications, admin notifications and any other wp_mail() call use SMTP.

*mailpn_smtp_host- SMTP host address

*mailpn_smtp_port- SMTP port number

*mailpn_smtp_secure- Security type ('tls', 'ssl', or 'none')

*mailpn_smtp_username- SMTP username

*mailpn_smtp_password- SMTP password<h3>Sending Limits</h3>*mailpn_sent_every_ten_minutes- Emails per 10 minutes (default: 5)

*mailpn_sent_every_day- Daily email limit (default: 500)<h3>Sender Information</h3>*mailpn_from_name- Sender name

*mailpn_from_email- Sender email address<h3>Email Exceptions</h3>*mailpn_exception_emails- Enable exception system ('on'/'off')

*mailpn_exception_emails_domains- Exclude email domains

*mailpn_exception_emails_addresses- Exclude specific email addresses<h3>Tracking & Deliverability</h3>*mailpn_click_tracking- Enable click tracking ('on'/'off')

*mailpn_open_tracking- Enable open tracking ('on'/'off'). Warning: May affect spam score. Disable for better deliverability.<h3>Error Handling</h3>*mailpn_errors_to_admin- Send error notifications to admin ('on'/'off')

*mailpn_consecutive_errors_limit- Max consecutive send failures before auto-pausing the queue (default: 10)<h3>Email Design</h3>*mailpn_font_family- Email font family

*mailpn_font_size_desktop- Desktop font size (px)

*mailpn_font_size_mobile- Mobile font size (px)

*mailpn_heading_size_h1/h2/h3- Heading sizes (px)

*mailpn_line_height- Line height

*mailpn_background_color- Email background color

*mailpn_text_color- Email text color

*mailpn_button_bg_color- Button background color

*mailpn_button_text_color- Button text color

*mailpn_button_border_radius- Button border radius (px)

*mailpn_header_bg_color- Header background color

*mailpn_footer_bg_color- Footer background color

*mailpn_footer_text_color- Footer text color<h3>WooCommerce</h3>*mailpn_wc_emails_wrapper` – Wrap WooCommerce emails with MailPN template (‘on’/’off’)

Email Queue Management Queue System // Get current queue $queue = get_option('mailpn_queue'); // Array: [mail_id => [user_ids]]

// Process queue manually $mailing = new MAILPN_Mailing(); $mailing->mailpn_queue_process();

// Check queue status $paused = get_option('mailpn_queue_paused'); // 'on' if paused `

Adding Emails to Queue

$mail_id = 123;

$users = get_users([‘fields’ => ‘ids’]);

$queue = get_option(‘mailpn_queue’, []);

foreach ($users as $user_id) {

$queue[$mail_id][] = $user_id;

}

update_option(‘mailpn_queue’, $queue);

// Queue is processed automatically via cron every 10 minutes

`

Tracking and Analytics Click Tracking “`

// Automatically replace links with tracking (built-in)

// Or manually:

$content = MAILPN_Click_Tracking::replace_links($content, $mail_id, $user_id);

// Track click manually

MAILPN_Click_Tracking::track_click($mail_id, $user_id, $url);

<h3>Open Tracking</h3>Open tracking is automatic via tracking pixel. Data is stored inmailpn_reccustom post type.<h3>Statistics</h3>Access statistics via AJAX action:wp_ajax_mailpn_get_statistics(requires proper permissions)<h3>Hooks and Filters</h3><h3>Actions</h3>*mailpn_form_save- Fired when forms are saved (params: $entity_id, $form_data, $form_type, $form_subtype, $post_type)

*mailpn_cron_daily- Daily cron task

*mailpn_cron_ten_minutes- Every 10 minutes cron task

*mailpn_cron_weekly- Weekly cron task<h3>Filters</h3>*wp_mail_from- Customize sender email

*wp_mail_from_name- Customize sender name

*retrieve_password_message` …