Overview (Original Method)

If a dedicated IP has been allocated to your account, how do you assign it to your domain(s)? We'll show you how to do this below:

1. First, log in to the Mailgun Control Panel (if you have not already done so).
2. Then, at the top-right corner of the page, click the Profile drop-down menu to expand its list of options.
3. Next, click the Dedicated IPs option. Alternatively, you can use this direct link. 
4. After that, click the dedicated IP you wish to assign.
5. Now, click the Assign to other domains button.
6. In the pop-up modal, either select one or more domains from the dropdown box or select the All Domains toggle. 
7. Click the Apply button, which assigns the dedicated IP to the domain(s).

Note: if you need to assign an IP to an IP Pool, or an IP Pool to a domain, please refer to this article.

Overview (New Method)

To send emails using a dedicated IP, it must be linked to your sending entities. For now, using this new method, you can link a dedicated IP to your sending domain(s) on the primary account.

Linking a Dedicated IP (New Method)

If your IP is unlinked or has no pool constraints, follow these steps to link it:

1. First, log in to the Mailgun Control Panel (if you have not already done so).
2. Then, at the top-right corner of the page, click the Profile drop-down menu to expand its list of options.
3. Next, click the Dedicated IPs (New) option
4. Click the IP address from the main table to open its IP Details page.
5. Click the Link IP dropdown menu in the top-right corner.
6. Select the domain(s) and then click Link IP to domains.
7. Confirm your changes in the pop-up dialog box to apply.

Unlinking a Dedicated IP (New Method)

To remove assignments or free up an IP for other sending needs:

1. First, log in to the Mailgun Control Panel (if you have not already done so).
2. Then, at the top-right corner of the page, click the Profile drop-down menu to expand its list of options.
3. Next, click the Dedicated IPs (New) option
4. Navigate to the IP Details page of the target IP.
5. Check the selection box next to the domain(s) you want to unlink.
6. Click the Unlink selected [Entities] button located directly above the respective table.
7. In the confirmation modal, review the affected target entities and click Unlink to finalize.