WP Mail SMTP Blog

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.

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.

Is your WordPress site on Hostinger not sending emails? this is a common problem and it has an easy fix. Follow our guide to understand exactly why your WordPress emails are failing and what you need to do to fix the issue.