Introduction
This quick reference guide lists all settings related to the Mailgun integration in Gravity SMTP and briefly describes their purpose.
Mailgun Settings Reference
Configuration

| Tag | Description |
|---|---|
| Mailgun API Key | The key provided by Mailgun that is used to authenticate with the Mailgun API. See the “Steps” section for the process on obtaining this. |
General Settings
| Tag | Description |
|---|---|
| Return Path | Adds the return path to the email header which indicates where non-deliverable notifications should be sent. Bounce messages may be lost if not enabled. |
| Region | Determines the service region from which messages will originate. If subject to EU regulations, consider the EU region. |
| Default From Email | The from: email associated with outgoing messages. This email address needs to be the connected account address on that account. Only applied when from: property is not explicitly set in the message being processed. |
| Force Email | If enabled, the From Email will override any plugin settings for all outgoing email messages. |
| Default From Name | The from: name associated with outgoing messages. Only applied when from: property is not explicitly set in the message being processed. |
| Force Name | If enabled, the From Name will override any plugin settings for all outgoing email messages. |
| Default Reply-To Email | Specifies the reply-to email for outgoing messages. Applied when no Reply-To is defined. |
| Force Reply-To Email | If enabled, the Reply-To will override any plugin settings for all outgoing email messages. |
| Sending Domain | The domain from which messages will be sent. This will need to be a verified domain within Mailgun. See the “Steps” section for the process on verifying a domain. |
