Getting Started
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.
Constants
This category contains a list of the constants that can be set within the wp-config.php file of your WordPress installation.
Brevo
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Brevo mail sending service.
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
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.
Mailchimp Transactional
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Mailchimp Transactional.
Mailgun
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Sinch Mailgun mail sending service.
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.
Zoho Mail
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Zoho Mail sending service.
Articles
Amazon SES Settings Reference
This quick reference guide lists all the settings related to the Amazon SES integration within Gravity SMTP and provides a short description of their purpose.
Adding and Authenticating a Domain in Mailchimp Transactional
This article outlines steps for adding and verifying a domain in your Mailchimp Transactional account.
Obtaining your Mailchimp Transactional API Key
This article outlines steps for generating a new API key in your Mailchimp Transactional account.
Connecting to the Mailchimp Transactional Email Service
Overview of Mailchimp Transactional Integration settings and connection instructions.
Mailchimp Transactional Settings Reference
This quick reference guide lists all the settings related to the Mailchimp Transactional integration within Gravity SMTP and provides a short description of their purpose.
PHP Mail Constants
Constants available for the PHP Mail integration.
Connecting to Amazon SES
This article guides you through integrating Gravity SMTP with your Amazon SES account.
Dashboard
Gravity SMTP offers a dynamic and intuitive reports dashboard. This feature gives you a comprehensive overview of your email sending metrics.
Getting Amazon SES Access keys
This article outlines the steps for generating the Secret and Access Key in your Amazon SES account that are required to integrate the service with Gravity SMTP.
GRAVITYSMTP_MAX_EVENT_RECORDS
Setting this constant will define the maximum number of records stored by email logging as part of the log retention settings.