Authority Mailer SMTP Features
Everything you need for reliable WordPress email delivery. Explore all the features that make Authority Mailer SMTP the most powerful SMTP plugin for WordPress.
SMTP Configuration
Connect to any email service with ease
Multiple SMTP Providers
Pre-configured templates for Gmail, Outlook, SendGrid, Mailgun, Amazon SES, Postmark, SparkPost, Sendinblue, Zoho, and more.
Custom SMTP Server
Connect to any SMTP server with custom host, port, username, and password configuration.
OAuth 2.0 Authentication
Secure OAuth 2.0 support for Gmail and Microsoft 365. No need to enable "less secure apps" or create app passwords.
SSL/TLS Encryption
Full support for SSL and TLS encryption to keep your email communications secure.
From Name & Email
Set custom sender name and email address. Force from address to ensure consistent branding.
Connection Test
Built-in SMTP connection tester to verify your configuration works before sending real emails.
Email Logging & Tracking
Complete visibility into every email
Complete Email Logs
Log every email sent from WordPress with recipient, subject, date, and delivery status.
Delivery Status Tracking
See if emails were sent successfully, queued, or failed with detailed error messages.
Email Open Tracking
Track when recipients open your emails with pixel tracking (optional).
Click Tracking
Monitor link clicks in your emails to measure engagement.
Email Content View
View the full content of any logged email for troubleshooting and verification.
Log Export
Export email logs to CSV for reporting and compliance purposes.
Automatic Log Cleanup
Configure automatic deletion of old logs to manage database size.
Reliability Features
Ensure every email gets delivered
Email Queue System
Queue emails for background processing to prevent timeout issues on high-volume sites.
Automatic Retry
Failed emails are automatically retried with configurable retry count and intervals.
Backup SMTP Failover
Configure a backup SMTP connection that activates if your primary fails.
Rate Limiting
Prevent throttling by limiting emails per hour/minute according to your provider limits.
Health Monitoring
Dashboard widget showing SMTP connection health and recent delivery statistics.
Analytics & Reports
Data-driven email insights
Dashboard Widget
At-a-glance email statistics directly on your WordPress dashboard.
Delivery Rate Reports
Track your email delivery rate over time with visual charts.
Email Volume Charts
See daily, weekly, and monthly email volume trends.
Top Recipients
Identify which email addresses receive the most emails from your site.
Error Analytics
Analyze common delivery errors to identify and fix issues.
Developer Tools
Built for customization
REST API
Full REST API for sending emails, accessing logs, and managing settings programmatically.
Hooks & Filters
Extensive WordPress hooks for customizing email behavior before and after sending.
WP-CLI Commands
Command-line interface for managing SMTP settings, testing, and viewing logs.
Debug Mode
Detailed debugging output for troubleshooting SMTP connection issues.
Multisite Support
Full WordPress Multisite support with network-wide or per-site configuration options.
Integrations
Works with your favorite plugins
WooCommerce
All WooCommerce transactional emails: orders, shipping, refunds, and customer notifications.
Contact Forms
Contact Form 7, Gravity Forms, WPForms, Ninja Forms, Formidable Forms, and more.
Membership Plugins
MemberPress, Paid Memberships Pro, Restrict Content Pro, and other membership solutions.
LMS Plugins
LearnDash, LifterLMS, Tutor LMS course notifications and student communications.
Marketing Plugins
Newsletter plugins, email marketing tools, and automation platforms.
WordPress Core
Password resets, user registrations, comments, updates, and all core WordPress emails.
System Requirements
Authority Mailer SMTP is designed to work on most WordPress installations.
Minimum Requirements
- WordPress 5.8 or higher
- PHP 7.4 or higher
- MySQL 5.7 or MariaDB 10.2
- PHP OpenSSL extension
Recommended
- WordPress 6.0 or higher
- PHP 8.0 or higher
- WP Cron enabled
- HTTPS enabled
Ready to Get Started?
Join thousands of WordPress sites using Authority Mailer SMTP for reliable email delivery.