Hooks
This category contains the available hooks that are available to developers within Gravity SMTP in order to extend its functionality.
Standard Constants
Reference documentation for the CONSTANTS that are provided with the plugin but are not related to any specific integration.
Getting Started
Brevo
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Brevo mail sending service.
Constants
This category contains a list of the constants that can be set within the wp-config.php file of your WordPress installation.
User Guides
Google / Gmail
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Google / Gmail to send transactional emails.
Integrations
Mailgun
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Sinch Mailgun mail sending service.
Developer
This category contains documentation related to developer-specific use cases of the Gravity SMTP plugin. The items contained here are not required for normal operation of Gravity SMTP.
Microsoft 365 / Outlook
This category includes documentation related to integrating Gravity SMTP with a Microsoft 365 account outgoing email service.
Postmark
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Active Campaign's Postmark mail sending service.
SendGrid
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Twilio Sendgrid mail sending service.
Articles
About Additional Data Collection
This article discusses the data collection opt-in setting that is presented in the Gravity SMTP Settings.
Debug Log
This article explains how to access the Debug Log table in Gravity SMTP, as well as the process to send the information to our support team.
Accessing Your System Report
This article explains how to find the Gravity SMTP system report as well as how to copy and paste it when contacting support.
Email Log
This article provides an overview of the email logging capabilities in Gravity SMTP, as well as a description of the log entry details.
Tools
This article provides an overview of the Tools screen in Gravity SMTP with instructions for sending a test email.
An Overview of Gravity SMTP
This article walks you through the basics of using Gravity SMTP, including an overview of the menu items and settings.