Card testing fraud attacks generate thousands of emails in hours, creating sudden volume spikes that damage your sender reputation. Discover the hidden connection between payment form security and email deliverability, and learn practical steps to protect your WordPress site from both fraud and email delivery issues.
Are your WordPress emails showing up 20 minutes late? Or worse, arriving hours after someone submitted a form or completed checkout?
The problem starts with how WordPress sends emails. By default, it uses PHP’s mail() function, which is slow and unreliable.
Most hosts also throttle how many emails you can send per hour. Hit that limit and your emails queue up, causing delays that stack throughout the day.
In this guide, I’ll walk you through what’s actually causing the delays on your site and how to fix them so your emails send instantly.
Your WordPress site is probably sending more emails than you realize. Password reset notifications, contact form confirmations, backup reports, and plugin updates all go out automatically.
Most WordPress site owners have no idea what emails their site actually sends or how often but I’ll show you how to audit every email your WordPress site sends in just 15 minutes using WP Mail SMTP’s Email Log feature.
High email bounce rates are costing you money and hurting your sender reputation. While most people focus on cleaning up bounces after they happen, the smarter approach is preventing invalid emails from entering your WordPress database in the first place.
Learn how to implement email validation on contact forms, registration pages, and checkout forms to stop bad emails at the source.
Use your favorite SMTP provider to reliably send your WordPress emails.
Managing email across a WordPress multisite network can be complex and frustrating.
Learn how to properly configure WP Mail SMTP for multisite, improve deliverability across all your sites, troubleshoot problems faster with comprehensive email logging, and decide between global or per-site settings.
This complete guide shows you how to take control of multisite email management without the typical headaches.
This step-by-step guide shows you how to use your existing Gmail account with Google SMTP server to improve email delivery for smaller WordPress sites.
Perfect for blogs and sites that don’t send hundreds of emails daily, this tutorial walks you through both the quick one-click setup and the detailed manual configuration process, ensuring your important notifications and form submissions reach their destination.