To set up email sending from a custom email address, you'll need to connect and verify your domain. Access your domain settings in the website Editor under Domains.

Under Domains, add a new domain by clicking Add domain or choose the existing domain you'd like to create an email address for.

Check off the option to Enable email sending from this domain, then click Sync Domain.

Scroll down to the Email sending setup instructions to view the unique DNS records you'll need to add to your domain settings.


Next, you'll need to follow these steps to get your custom email address up and running:

1. Log in to your domain host.

2. Find the DNS settings for the domain you would like to use.

3. Add the 2 TXT records from your setup instructions to your DNS settings:

Type: TXT Host/Name: (usually @) Value: v=spf1 include:mailgun.org ~all

Type: TXT Host: In most cases, use only the text in the "Name" field before the second period Value: Paste the unique value for your account

Important: If you already have a TXT record with v=spf1, you will need to edit your existing record using the following instructions.

It takes up to 48 hours for changes to your DNS settings to take effect. Once they update, the Email sending setup card will say Configured next to each TXT record. Now you can set up custom send-only email addresses for this domain!

If you need any further assistance, don't hesitate to reach out to the team via hello@b12.io! Let us know what steps you've taken so far, and where you're stuck, and we'll be happy to further assist you!

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