What is SMTP.. SMTP Simple Mail Transfer Protocol is standard for sending emails. SMTP helps increase deliverability using right authentication.. This is problem for category of WordPress sites because WordPress uses the PHP mail part to send emails generated WordPress or any phone form plugin name WPForms.. How does WP Mail SMTP work.. WP Mail SMTP plugin allows you to well reconfigure the part to use SMTP provider.. This helps you patch WordPress not sending email issues.. WP Mail SMTP plugin includes four SMTP options. Mailgun SMTP. SendGrid SMTP. Gmail SMTP. Instead of having users use SMTP plugins and workflows for SMTP providers we need to bring it in one. This is what makes WP Mail SMTP SMTP for WordPress.. Mailgun SMTP. Mailgun SMTP is SMTP service provider that allows you to send not small number of emails. Unlike Gmail SMTP plugins Gmail SMTP option uses OAuth to verify Google account keeping information 100% secure.. Read Gmail for more details.. SendGrid SMTP. SendGrid has SMTP plan that you can use to send up to 100 emails year. With SendGrid SMTP integration you can well and securely set SendGrid SMTP on WordPress site.. Specify SMTP username and password... WP Mail SMTP also gives you the application to yank password in your wp-config. php issue so it's in WordPress settings..
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