SMTP, IMAP, and POP3 are easy to confuse, but the distinction is simple: SMTP sends your email, while IMAP and POP3 receive it. Learn how all three protocols work, which ports they use, and what it means for the emails your website sends.
Mailjet is an all-in-one email platform built for both transactional and marketing emails, and it’s quickly become a go-to choice for WordPress users who want reliable delivery without juggling multiple tools.
But is it actually worth using for your site? In this Mailjet review, I break down everything that matters: pricing, deliverability, ease of setup, and standout features like real-time team collaboration, automation, and email validation.
Gmail’s Promotions tab is one of the most overlooked deliverability problems for site owners. Order confirmations, password resets, and contact form notifications get filtered there more often than most people realize, and customers miss them.
The good news is that this is fixable. This guide covers 11 proven methods to get your emails into the Primary inbox, plus the testing tools you can use to confirm your changes are working.
Your WordPress site says the email sent. No errors, no failures, the log shows green. But the recipient never got it.
This isn’t a sending problem, it’s a delivery problem, and the fix depends on where the email actually died. Walk through the diagnostic process: confirm what happened, decode the bounce, check authentication and reputation, and rule out the WordPress-specific quirks that break delivery.
Use your favorite SMTP provider to reliably send your WordPress emails.
MailerSend is a transactional email service built by the MailerLite team, and it’s quickly become one of the more popular mailer choices for WordPress sites.
But is it the right pick for you? In this MailerSend review, I cover everything you need to decide on: pricing, deliverability performance, and standout features like email verification and real-time activity logs.
I’ll also show you how to connect it to WordPress using WP Mail SMTP in under 12 minutes.
GDPR applies to every email your WordPress site sends. This guide covers consent, data handling, mailer agreements, and how to configure WP Mail SMTP to meet your compliance obligations.