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 wpconfig.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.
Uncategorized
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
GRAVITYSMTP_SAVE_ATTACHMENTS_ENABLED
Setting this constant will enable or disable the save attachments feature in Gravity SMTP.
GRAVITYSMTP_SAVE_EMAIL_BODY_ENABLED
Setting this constant will enable or disable the save email body feature in Gravity SMTP
Migrating From Other SMTP Plugins
This article includes some answers to common questions about the migration step of the Setup Wizard when switching to Gravity SMTP.
Connecting to Microsoft 365 / Outlook
This article guides you through the process of using Gravity SMTP to integrate your website email connection to your Microsoft 365 account.
Creating a Web App in Your Google Cloud Console
This article explains the process of creating a Web App in Your Google Account.
Creating a Web App in Your Azure Portal
This article covers the process of creating a web app in your Microsoft Azure portal
Microsoft Constants
When set, these optional constants will override settings for the Microsoft 365 / Outlook Integration in Gravity SMTP.
Backup Connection
A Backup Connection in Gravity SMTP is used as an additional connection to ensure emails from your website get delivered.
Using PHP Mail
This article guides you through the process of using Gravity SMTP to integrate your website email connection to by using PHP Mail function.