About anonymized URLs
About authentication to GitHub
About commit signature verification
About GitHub's IP addresses
About mandatory two-factor authentication
About passkeys
About SSH
Articles
Authentication documentation
author: filter
Filter notifications by the original author of the thread.
Cc address
GitHub ccs you if subscribed; the second cc matches the notification reason with @noreply.github.com suffix.
CI activity notifications
Filter CI workflow failures by reason:ci-activity and repo:owner/repo-name.
Collaboration invitations
Emails inviting you to collaborate in an organization or repository.
Configuring notifications
Choose the type of activity you want to receive notifications for and how they are delivered.
Connecting to GitHub with SSH
Conversation notifications
Emails about conversations you're participating in or where you've been @mentioned.
Dependabot custom filters
Saved filters for Dependabot alerts and security update pull requests.
Email notification headers
Reference for email notification headers.
From address
The From address is always notifications@github.com.
GitHub Actions notifications
Manage how notifications from GitHub Actions are delivered.
Inbox filters
Filters for managing the notifications inbox.
is: filter
Filter by activity type such as is:issue, is:release, or is:repository-invitation.
List-Id field
Identifies the repository name and owner, formatted as OWNER/REPOSITORY <REPOSITORY.OWNER>.
Managing GitHub Actions notifications
Manage how notifications from GitHub Actions are delivered.
Managing commit signature verification
Managing marketing emails
Control subscription to marketing emails about GitHub products and news.
Managing notifications from your inbox
Use your inbox to quickly triage and sync notifications across email and mobile.
Managing organization notifications
Control where notifications from your organization are delivered.
Mark as Done
Removes a notification from the main inbox view; view with query is:read.
Marketing emails
Manage marketing emails with GitHub news and product information.
org: filter
Filter notifications by organization.
Organization notifications
Control where notifications from your organization are delivered.
Own activity notifications
Emails about your own activity, such as opening, commenting on, or closing issues and pull requests.
Pull request push notifications
Emails about pushes to pull requests you're participating in.
reason: filter
Filter by notification reason such as reason:review-requested or reason:mention.
Recommended
repo: filter
Filter notifications by repository using repo:owner/repository.
Saved inbox
Save notifications to review later and view unread updates.
Security activity notifications
Emails about security-related activity on repositories you have admin access to.
To field
The To field connects directly to the thread; replying adds a new comment.
Types of emails GitHub sends
Reference for the types of emails GitHub sends.
Unsubscribe
Stop receiving new updates unless you participate or are @mentioned.
Watched repository activity
Emails about activity on repositories you're watching.
X-GitHub-Recipient headers
X-GitHub-Recipient and X-GitHub-Recipient-Address show the intended recipient.
X-GitHub-Severity field
Dependabot alert emails include this header with levels low, moderate, high, or critical.