Mailtrap
This section contains all articles specifically related to integrating your Gravity SMTP setup with Mailtrap.
Cloudflare Email
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Cloudflare Email Service.
SMTP.com
This section contains all articles specifically related to integrating your Gravity SMTP setup with the SMTP.com Service.
Getting Started
Introduction
A collection of guides that explain what Gravity SMTP is, how it works, and how to set it up for the first time after installation.
Filters
Discover the different filter hooks available within Gravity SMTP. You can use filters to modify data to better match your particular needs.
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
Dashboard And Logs
Learn how to navigate the Gravity SMTP dashboard and review all email related activity, including logs, tracking email and details.
Actions
Learn about the different action hooks available within Gravity SMTP. Action hooks allow you to perform additional actions when an event takes place.
Integrations
Monitoring
Configure ralerts and monitoring tools that notify you when email delivery issues occur.
Elastic Email
This section contains all articles specifically related to integrating your Gravity SMTP setup with Elastic Email
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.
Tools And Settings
Explore the available tools, system utilities, and configuration options for managing Gravity SMTP, diagnosing issues, and controlling how your site sends email.
Emailit
This section contains all articles specifically related to integrating your Gravity SMTP setup with Emailit
Uncategorized
Reference
Access version history, update instructions, and reference materials for frequently asked questions and product changes.
Google / Gmail
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Google / Gmail to send transactional emails.
Troubleshooting
Improve email deliverability with recommended best practices and access troubleshooting resources for resolving common problems.
Mailchimp Transactional
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Mailchimp Transactional.
MailerSend
This section contains all articles specifically related to integrating your Gravity SMTP setup with MailerSend
Mailgun
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Sinch Mailgun mail sending service.
Mailjet
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Mailjet 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.
Resend
This section contains all articles specifically related to integrating your Gravity SMTP setup with Resend
SendGrid
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Twilio Sendgrid mail sending service.
SMTP2GO
This section contains all articles specifically related to integrating your Gravity SMTP setup with SMTP2GO
SparkPost
This section contains all articles specifically related to integrating your Gravity SMTP setup with the SparkPost sending service.
Zoho Mail
This section contains all articles specifically related to integrating your Gravity SMTP setup with the Zoho Mail sending service.
Articles
Resend Settings Reference
This quick reference guide lists all settings related to the Resend integration in Gravity SMTP and briefly describes their purpose.
Resend Constants
Constants available for the Gravity SMTP Resend Integration.
Connecting to Emailit
Overview of Emailit Integration settings and connection instructions.
Adding and Authenticating a Domain in Emailit
Adding and verifying a sending domain inside your Emailit account is mandatory before you can start relaying messages through the Gravity SMTP Emailit Integration.
Obtaining your Emailit API Key
This article outlines the steps for generating a new API key from within your Emailit account.
Emailit Settings Reference
This quick reference guide lists all settings related to the Emailit integration in Gravity SMTP and briefly describes their purpose.
Emailit Constants
Constants available for the Gravity SMTP Emailit Integration.
gravitysmtp_after_email_suppressed
Fires after an email has been successfully suppressed in the Gravity SMTP suppression list. The gravitysmtp_after_email_suppressed action allows you to perform custom logic after adding an email to the suppression database.
gravitysmtp_abort_email_suppression
The gravitysmtp_abort_email_suppression filter prevents developers from adding an email to the suppression list.
gravitysmtp_delete_log_on_deactivate
The gravitysmtp_delete_log_on_deactivate filter allows developers to control whether the debug log should be deleted when debug logging is disabled.