SMTP Form Master

Description

SMTP Form Master is the ultimate WordPress contact form solution that combines powerful SMTP email delivery, professional HTML email templates, intelligent spam protection with Google reCAPTCHA v3, and a flexible form builder – all in one plugin!

🚀 Why Choose SMTP Form Master?

  • Reliable Email Delivery – Configure custom SMTP servers (Gmail, SendGrid, MailChannels, Amazon SES, etc.) for guaranteed email delivery
  • Professional Email Templates – Create beautiful HTML emails with customizable templates and dynamic variables
  • Advanced Spam Protection – Google reCAPTCHA v3 (invisible) protects your forms without annoying CAPTCHAs
  • Flexible Form Builder – Build any type of form with 8+ field types and custom styling
  • User Confirmations – Automatically send professional confirmation emails to form submitters
  • Admin Notifications – Receive formatted email alerts with all submission details
  • No Coding Required – Beautiful React-powered admin dashboard with intuitive interface
  • Lightweight & Fast – Only 30KB minified, optimized for performance

✨ Key Features

SMTP Email Configuration
* Support for all major SMTP providers (Gmail, Outlook, SendGrid, MailChannels, Amazon SES, etc.)
* Secure authentication with username/password
* SSL/TLS/STARTTLS encryption support
* Test connection feature with detailed debugging
* Password visibility toggle for easy setup
* Compatible with third-party SMTP services

Advanced Form Builder
* 8+ field types: Text, Email, Textarea, Number, Checkbox, Radio, Select, Date
* Custom field labels and placeholders
* Required/optional field settings
* Multiple form skins (Default, Modern, Minimal)
* Modal popup forms
* Inline embedded forms
* Responsive and mobile-friendly

Email Template System (NEW in v2.0!)
* Professional HTML email templates
* Separate admin and user confirmation templates
* Dynamic template variables: {form_name}, {site_name}, {form_fields}, {user_name}, {user_email}, {submission_date}, {site_url}
* Visual template editor in admin dashboard
* Form fields automatically formatted as beautiful HTML tables
* Enable/disable individual email types
* Reset to default templates anytime
* Full HTML and inline CSS support

Google reCAPTCHA v3 Protection
* Invisible spam protection (no user interaction required)
* Score-based filtering (0.0 to 1.0)
* Adjustable sensitivity threshold
* Real-time spam detection
* Privacy policy links included
* Works seamlessly with forms

User Experience
* Beautiful success/error messages with styling
* AJAX-ready architecture
* Form validation
* Spam score transparency
* Professional error handling
* Accessibility compliant

📋 Perfect For

  • Contact Forms
  • Quote Requests
  • Support Tickets
  • Event Registration
  • Newsletter Signups
  • Booking Forms
  • Feedback Forms
  • Application Forms
  • Lead Generation
  • Customer Inquiries

🎯 Template Variables

Personalize your emails with dynamic content:

  • {form_name} – The title of your form
  • {form_fields} – All submitted data in a formatted table
  • {site_name} – Your website name
  • {site_url} – Your website URL
  • {submission_date} – Date and time of submission
  • {user_name} – Name from the form (user emails only)
  • {user_email} – Email from the form (user emails only)

Configuration Guide

SMTP Setup Examples

Gmail
* Host: smtp.gmail.com
* Port: 587
* Encryption: TLS
* Username: your-email@gmail.com
* Password: App-specific password

SendGrid
* Host: smtp.sendgrid.net
* Port: 587
* Encryption: TLS
* Username: apikey
* Password: Your SendGrid API Key

MailChannels
* Host: smtp.mailchannels.net
* Port: 587
* Encryption: TLS
* Username: Your username
* Password: Your password

Amazon SES
* Host: email-smtp.us-east-1.amazonaws.com (adjust region)
* Port: 587
* Encryption: TLS
* Username: Your SMTP username from AWS
* Password: Your SMTP password from AWS

Template Variable Examples

Subject Line:
New inquiry from {user_name} - {form_name}
Result: “New inquiry from John Doe – Contact Form”

Email Body:
html
<h2>New Submission from {site_name}</h2>
<p>Form: {form_name}</p>
<p>Date: {submission_date}</p>
{form_fields}
<p>Visit {site_url}</p>

Best Practices

Email Templates:
* Keep subject lines under 50 characters
* Use template variables for personalization
* Test emails on multiple devices
* Include your site name and URL
* Add contact information for support

reCAPTCHA:
* Use threshold 0.5 for most sites
* Lower to 0.3 if legitimate users are blocked
* Raise to 0.7 for high-security forms
* Monitor spam score patterns

Form Design:
* Keep forms short (5-7 fields max)
* Always include Name and Email fields
* Use clear labels and placeholders
* Mark required fields
* Add a privacy policy link

SMTP:
* Always test connection after setup
* Use TLS encryption when available
* Keep credentials secure
* Consider dedicated SMTP service for high volume
* Monitor email delivery rates

Privacy & GDPR

Data Handling:
* Form submissions are sent via email only
* No personal data is stored in the database by default
* Admin can control what data is collected in forms

Third-Party Services:
* Google reCAPTCHA sends data to Google (disclose in privacy policy)
* SMTP provider receives email data
* No tracking or analytics by this plugin

Recommendations:
* Add reCAPTCHA disclosure to your privacy policy
* Inform users about email processing
* Comply with GDPR data handling requirements
* Provide opt-in checkboxes for marketing emails

Support & Resources

Documentation:
* Full guides included in plugin folder
* EMAIL_TEMPLATES_GUIDE.md – Complete template documentation
* DEPLOYMENT_READY_v2.0.4.md – Deployment checklist
* HOTFIX_SHORTCODE_ERROR.md – Troubleshooting guide

Getting Help:
* Check FAQ section above
* Review included documentation
* Visit https://upmvc.com/ for tutorials
* Contact support through WordPress.org forums

Feature Requests:
We’re actively developing! Suggest features at our support forum.

Rate Us:
If you love SMTP Form Master, please leave a 5-star review!

Technical Details

Requirements:
* WordPress 6.0 or higher
* PHP 8.0 or higher
* MySQL 5.6 or higher
* HTTPS recommended (required for reCAPTCHA)

Performance:
* Bundle size: 25.2 KB (admin JS) + 4.3 KB (CSS)
* No jQuery dependency
* Optimized React components
* Minimal database queries
* Lazy loading for admin assets

Browser Support:
* Chrome/Edge (latest 2 versions)
* Firefox (latest 2 versions)
* Safari (latest 2 versions)
* Mobile browsers (iOS Safari, Chrome)

Developer Info:
* Built with React 18
* WordPress REST API integration
* Clean, documented code
* Hook and filter support
* Translation ready

Credits

Developed by BitsWorld
Powered by React and WordPress REST API

License

This plugin is licensed under the GPLv2 or later.
You are free to use, modify, and distribute this plugin.

Thank you for using SMTP Form Master! 🚀

Installation

Automatic Installation

  1. Log in to your WordPress admin panel
  2. Navigate to Plugins Add New
  3. Search for “SMTP Form Master”
  4. Click Install Now and then Activate

Manual Installation

  1. Download the plugin ZIP file
  2. Log in to your WordPress admin panel
  3. Navigate to Plugins Add New Upload Plugin
  4. Choose the ZIP file and click Install Now
  5. Click Activate Plugin

After Installation

  1. Go to SMTP Form Master in your WordPress admin menu
  2. Click SMTP Settings tab and configure your SMTP server
  3. Click Test Connection to verify settings
  4. (Optional) Go to reCAPTCHA tab and add your Google reCAPTCHA v3 keys
  5. Go to Email Templates tab to customize your emails
  6. Go to Forms tab to create your first form
  7. Copy the shortcode and embed it in any page or post

FAQ

How do I configure SMTP settings?

Go to SMTP Form Master SMTP Settings in your WordPress admin. Enter your SMTP server details:
* Host: Your SMTP server (e.g., smtp.gmail.com, smtp.sendgrid.net)
* Port: Usually 587 for TLS or 465 for SSL
* Encryption: Choose TLS (recommended) or SSL
* Username: Your email address or SMTP username
* Password: Your email password or app-specific password

Click Test Connection to verify everything works!

What SMTP providers are supported?

SMTP Form Master works with ALL SMTP providers, including:
* Gmail (smtp.gmail.com)
* Outlook/Office365 (smtp.office365.com)
* SendGrid (smtp.sendgrid.net)
* MailChannels (smtp.mailchannels.net)
* Amazon SES
* Mailgun, Postmark, SparkPost, and more!

How do I get Google reCAPTCHA keys?

  1. Visit https://www.google.com/recaptcha/admin
  2. Register your site
  3. Choose reCAPTCHA v3
  4. Copy your Site Key and Secret Key
  5. Paste them into SMTP Form Master reCAPTCHA tab
  6. Enable reCAPTCHA and save

How do I create a contact form?

  1. Go to SMTP Form Master Forms
  2. Click Add New Form
  3. Give your form a title
  4. Add fields (Name, Email, Message, etc.)
  5. Choose a skin style
  6. Save the form
  7. Copy the shortcode: [smtpfm_form id="123"]
  8. Paste it into any page or post

How do I customize email templates?

  1. Go to SMTP Form Master Email Templates
  2. Choose Admin Notification or User Confirmation tab
  3. Edit the subject line (use variables like {form_name})
  4. Edit the email body (HTML supported)
  5. Use template variables: {form_fields}, {user_name}, etc.
  6. Enable or disable each email type
  7. Click Save Templates

Can I send confirmation emails to users?

Yes! User confirmation emails are sent automatically when:
* Your form includes an email field
* User Confirmation is enabled in Email Templates
* The user enters a valid email address

How do I display a form in a modal popup?

Use the modal parameter in your shortcode:
[smtpfm_form id=”123″ modal=”yes”]

What is the reCAPTCHA threshold?

The threshold is a score from 0.0 to 1.0:
* 1.0 = Only 100% verified humans (very strict)
* 0.7 = Recommended for high security
* 0.5 = Balanced (default, recommended)
* 0.3 = Lenient
* 0.1 = Very lenient

Where do submitted forms go?

Form submissions trigger two emails:
1. Admin Notification – Sent to your WordPress admin email
2. User Confirmation – Sent to the email address in the form (if enabled)

Is this plugin GDPR compliant?

The plugin itself doesn’t store personal data. However:
* reCAPTCHA sends data to Google (disclose in privacy policy)
* Email submissions contain user data (handle according to GDPR)
* The plugin includes privacy policy links for reCAPTCHA

Will this slow down my site?

No! SMTP Form Master is optimized for performance:
* Only 30KB total size (minified)
* Loads only on pages with forms
* React admin loads only in dashboard
* No jQuery dependency

Reviews

There are no reviews for this plugin.

Contributors & Developers

“SMTP Form Master” is open source software. The following people have contributed to this plugin.

Contributors

Translate “SMTP Form Master” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

2.0.4 – 2025-10-20

Major Update – Email Templates System
* NEW: Complete email template system with HTML editor
* NEW: Separate admin notification and user confirmation templates
* NEW: Dynamic template variables ({form_name}, {form_fields}, {site_name}, etc.)
* NEW: Visual template editor in React admin dashboard
* NEW: Form fields automatically formatted as beautiful HTML tables
* NEW: Enable/disable individual email types
* NEW: Reset to default templates feature
* IMPROVED: Professional email styling with inline CSS
* IMPROVED: Better spam detection messaging with score display
* IMPROVED: Enhanced success/error messages with styling
* FIXED: Critical parse error in shortcode.php
* FIXED: Duplicate code cleanup
* FIXED: reCAPTCHA verification flow
* ADDED: Comprehensive documentation
* ADDED: .gitignore for node_modules
* Bundle size: 25.2 KB (was 16.8 KB)

2.0.3 – 2025-10-19

reCAPTCHA v3 Integration
* NEW: Google reCAPTCHA v3 spam protection
* NEW: Invisible reCAPTCHA (no user interaction)
* NEW: Score-based spam filtering (0.0 to 1.0)
* NEW: Adjustable threshold settings
* NEW: reCAPTCHA badge display
* NEW: Privacy policy links
* IMPROVED: Form security significantly enhanced
* ADDED: reCAPTCHA settings tab in admin

2.0.2 – 2025-10-18

SMTP Authentication Fix
* FIXED: MailChannels authentication issues
* FIXED: Password visibility after save
* IMPROVED: STARTTLS support
* IMPROVED: Connection testing with better debugging
* IMPROVED: Error messages and troubleshooting

2.0.1 – 2025-10-17

React Admin Dashboard
* NEW: Modern React-powered admin interface
* NEW: Tabbed navigation (SMTP Settings, Forms, reCAPTCHA)
* IMPROVED: Faster, more responsive admin experience
* IMPROVED: Better UX with real-time validation
* OPTIMIZED: Bundle size and performance

2.0.0 – 2025-10-16

Major Rewrite
* Complete codebase modernization
* React admin dashboard
* Improved security and performance
* Better code organization
* Enhanced debugging capabilities

1.0.0 – 2025-10-01

  • Initial release
  • SMTP configuration
  • Basic form builder
  • Modal support
  • Shortcode implementation