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# Configure email settings

## Docs

- [SMTP server for email notifications](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/smtp-server-for-email-notifications.md): An SMTP server handles the delivery of email notifications to your customers.
- [Enable Zuora default email server](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/enable-zuora-default-email-server.md): Learn how to enable Zuora default email server to send email notifications.
- [Configure external SMTP server](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-external-smtp-server.md): Learn how to configure external SMTP server to send email notifications.
- [Common error messages and actions for external SMTP server](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-external-smtp-server/common-error-messages-and-actions-for-external-smtp-server.md): Use this reference to troubleshoot errors when configuring an external SMTP server.
- [Configure external SMTP servers for Microsoft 365 using OAuth](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-external-smtp-servers-for-microsoft-365-using-oauth.md): Describes how to configure the external SMTP server for Microsoft 365 using OAuth 2.0 authentication.
- [Create an OAuth 2.0 Provider using the Authentication Code grant type](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-external-smtp-servers-for-microsoft-365-using-oauth/create-an-oauth-2-0-provider-using-the-authentication-code-grant-type.md): Learn how to create an OAuth 2.0 provider using the Authentication Code grant type.
- [Configure the external SMTP server settings for Microsoft 365](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-external-smtp-servers-for-microsoft-365-using-oauth/configure-the-external-smtp-server-settings-for-microsoft-365.md): Learn how to configure external SMTP server settings for Microsoft 365.
- [Configure advanced SMTP server](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-advanced-smtp-server.md): Learn how to configure advanced SMTP server to send email notifications.
- [Verify a domain identity](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-advanced-smtp-server/verify-a-domain-identity.md): Learn how to verify a domain identify when configuring advanced SMTP server.
- [Verify an email identity](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/configure-advanced-smtp-server/verify-an-email-identity.md): Learn how to verify an email identify when configuring advanced SMTP server.
- [Email deliverability configuration for email notifications and Workflow](https://zuora.ferndocs.com/docs/platform/extensibility/events-and-notifications/configure-email-settings/email-deliverability-configuration-for-email-notifications-and-workflow.md): Zuora allows you to email invoices and send a variety of customer notifications from within the Zuora Billing application and Workflow to your end customers.