Mailsure

WP SMTP Mailer is a simple and flexible plugin to configure SMTP settings in WordPress. It allows you to set up SMTP credentials, test email sending, …

OTP (One Time Password) Email Verification for Gravity Forms. Verify or authenticate your users. It’s also great way to avoid spam.

Preview WooCommerce emails with real order data, send test emails, and keep a comprehensive log of all outgoing website emails.

Email deliverability test for WordPress. See if your emails reach the inbox or land in spam, and exactly what Gmail and Outlook receive.

OLS 2FA is a lightweight plugin that enhances your website's security by adding email two-factor authentication (2FA).

A powerful and easy-to-use WordPress plugin for passwordless and OTP-based login.