Amazon SES
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Amazon SES (Simple Email Service).
Standard Constants
Reference documentation for the CONSTANTS that are provided with the plugin but are not related to any specific integration.
Hooks
This category contains the available hooks that are available to developers within Gravity SMTP in order to extend its functionality.
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.
Getting Started
Google / Gmail
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Google / Gmail to send transactional emails.
User Guides
Mailgun
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Sinch Mailgun mail sending service.
Integrations
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
Getting a Mailgun API Key
Instructions on the required step of getting an API key for connecting with the Mailgun API.
Adding and Verifying a Domain in Mailgun
Instructions on the required step of adding and verifying a domain within your Mailgun account.
Downloading and Installing Gravity SMTP
This article describes all the steps needed to download and install Gravity SMTP on a WordPress website.
Gravity SMTP Setup Wizard
This article details the steps in the Gravity SMTP Setup Wizard.
Connecting to Custom SMTP
Overview of Custom SMTP Integration settings and connection instructions.
Connecting to SendGrid
Overview of SendGrid Integration settings and connection instructions.
Connecting to Postmark
Overview of Postmark Integration settings and connection instructions.
Connecting to Mailgun
Overview of Mailgun Integration settings and connection instructions.
System and Support Requirements
Review this article to get familiar with the preferred system requirements for Gravity SMTP, and the minimum requirements expected to receive support.