WP Mail SMTP: Guide to the WordPress Plugin for Authenticating and Improving Email Delivery Rates

What is WP Mail SMTP

The rate of delivery o deliverability is one of the key performance indicators in theemail marketing. To improve delivery of your newsletter to the recipient's inbox you can use WP Mail SMTP (https://wpmailsmtp.com/) which allows you to send emails through a trusted provider such as Mailgun, Sendgrid, Gmail and other SMTP.

WP Mail SMTP, where SMTP stands for Simple Mail Transfer Protocol, the protocol used to send email through servers, changes the way in which WordPress sends emails, avoiding that due to an authentication error, the email lands in the spam folder or will not be delivered.

WP Mail SMTP, by properly authenticating emails via SMTP, helps WordPress emails not end up marked as spam, ignoring spam filters.


  • allows you to send emails with built-in SMTP integration, using your SMTP mail server, Google, SMTP.com, Mailgun, SendGrid, Amazon SES, Zoho Mail, Office 365 or Outlook.com;
  • is easily configured without any knowledge of coding.

Let's see the main features together.

WP Mail SMTP homepage

WP Mail SMTP features

Here are the functionalities (https://wpmailsmtp.com/features/) of WP Mail SMTP.

WP Mail SMTP Features

White Glove Setup

White Glove Setup is a service offered to WP Mail SMTP Elite customers that includes installation and configuration of the WP Mail SMTP plugin, DNS configuration for proper email domain name verification (you need a custom domain name with your existing email address), configuration of SMTP.com or Mailgun (both include a free trial) and a final test.

Other features include:

  • Email Log: Automatically track every email sent from your WordPress site.
  • Notification management: control which email notifications your WordPress site sends out.


WP Mail SMTP integrates with all the best SMTP providers such as SMTP.com, Sendinblue, Amazon SES, Zoho Mail, Office 365, Outlook.com, Gmail / G Suite, Mailgun, SendGrid, tall other SMTP providers.

Opinions and reviews on WP Mail SMTP

The plugin is used by over 2 million sites.You can read users' opinions on the official website https://wpmailsmtp.com/.

WP Mail SMTP reviews
WP Mail SMTP opinions

Prices of WP Mail SMTP

WP Mail SMTP prices

Prices (https://wpmailsmtp.com/pricing/) start from $ 49 per year for the Pro Plan. If you need White Glove Setup and priority support, the Elite floor costs $ 99. The Developer and Agency plans allow you to use WP Mail SMTP on more sites.

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