Getting “dmarc=fail” bounces from your WordPress site?
Learn what a DMARC fail means and how to fix it with WP Mail SMTP.
This guide covers reading the Authentication-Results header, the 7 most common causes, and testing your fix with Email Detective.
Seeing a “DMARC policy not enabled” warning in your domain scan?
Learn what it means and how to fix it without sending your emails to spam.
This guide covers checking your record, testing your senders with WP Mail SMTP, and moving safely from none to quarantine to reject.
Did a ticket buyer pay for your event and never receive their ticket?
Sugar Calendar hands its emails to WordPress, which hands them to your host, and most hosts send that mail unauthenticated.
This post covers how to check Sugar Calendar’s own sender settings and connect an authenticated mailer with the WP Mail SMTP Setup Wizard.
Is your WordPress site dropping password resets and form notifications?
Mailgun sends your email through authenticated servers instead of your host’s. The WP Mail SMTP Setup Wizard handles the plugin side for you.
You’ll verify a sending subdomain, add your DNS records, and pick the right one of Mailgun’s 3 API keys.
Use your favorite SMTP provider to reliably send your WordPress emails.
Is SendGrid still worth it for WordPress now that the free plan is gone?
This walkthrough covers the full setup: domain authentication, API keys, and connecting everything with the WP Mail SMTP Setup Wizard.
You’ll also learn which advanced settings people miss, and how to confirm authentication worked in Gmail.
Wondering whether your WordPress site needs an SMTP relay?
Learn what an SMTP relay is, how the handoff works, and which port to use.
This guide covers why wp_mail() fails on its own, how Google’s two SMTP endpoints differ, and how to check that your relay is working.