WordPress Email Guides — WP Mail Tester Blog

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WordPress Email Guides

Plain-English fixes for WordPress emails that go to spam or never arrive, from a WordPress email specialist.

WooCommerce Order Emails Going to Spam? Here's How to Fix It

Why WooCommerce order confirmations land in spam or never arrive, and a step-by-step fix: SMTP, SPF, DKIM, DMARC and the right sender settings.

10 Nov 2026 · 6 min read

Is Your WordPress Site's Email on a Blacklist? How to Check and Fix It

How to check whether the IP or domain sending your WordPress emails is blacklisted, which listings matter, and how to get delisted and stay off.

30 Oct 2026 · 6 min read

FluentSMTP and Post SMTP: Setup and Common Errors

How to set up FluentSMTP or Post SMTP with Brevo, Mailgun, SendGrid, Postmark or Amazon SES, and how to fix the errors that stop WordPress emails.

26 Oct 2026 · 6 min read

WordPress Password Reset Emails Going to Spam? How to Fix It

Why WordPress password reset and new-user emails land in spam or never arrive, and how to fix the sender address, sending method and DNS records.

22 Oct 2026 · 4 min read

PHP Mail vs SMTP for WordPress: Why It Matters and How to Switch

Why WordPress's default PHP mail() sends your emails to spam, what SMTP does differently, and how to switch your site in about 20 minutes.

18 Oct 2026 · 4 min read

WP Mail SMTP Test Email Failing? Common Errors and How to Fix Them

What the most common WP Mail SMTP test email errors mean (authentication, connection, sender not verified) and how to fix each one.

14 Oct 2026 · 5 min read

SPF, DKIM and DMARC for WordPress, Explained in Plain English

What SPF, DKIM and DMARC are, why your WordPress emails need all three, and exactly how to set them up without breaking your existing email.

10 Oct 2026 · 5 min read

WordPress Contact Form Emails Not Arriving? Here's How to Fix It

Why Contact Form 7, WPForms and Gravity Forms notifications never reach your inbox, and the settings that fix it, step by step.

7 Oct 2026 · 5 min read