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You need write access to your organizer account to reach Settings → Branding → Custom Domains, and access to your domain’s DNS provider to complete verification. If you do not manage your own DNS, you can copy the records and send them to whoever does — see Sharing records with your DNS administrator.
By default, campaigns and transactional emails use a Let’s Do This address. Verify your domain to send from an address such as events@yourdomain.com. Verify your domain before you plan to send. DNS changes can take up to 48 hours to take effect. You only need to verify each domain once; it will then be available for your campaigns and transactional emails. Verification applies to both the from address and reply-to address. For each one, enter the part before @ and select a verified domain. Until you verify a domain, these options are disabled and emails use a Let’s Do This address for sending and replies. Setup adds two DNS records: a DKIM record and a Return-Path record. Neither is an MX record, so verification does not change where incoming email is delivered.

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Adding and verifying a domain

1

Open Custom Domains

In your dashboard, go to Settings → Branding → Custom Domains. The page lists every domain you have added. If you have not added one yet, it shows No domains added yet.
2

Add your domain

Click Add domain and enter the domain you want to send from, such as example.com.You can paste a full email address or a website address instead — events@example.com or https://www.example.com both reduce to example.com. If what you enter is not a valid domain, you see Please enter a valid domain. and the button stays disabled.
3

Save the domain

Click Add domain again to save it. The domain field locks, the status shows Pending verification, and the DNS records section appears with the records you need to add.
4

Add both records at your DNS provider

Add the DKIM and Return-Path records exactly as shown. Each one gives you a Host and a Value you can copy directly.Leave this page open — you can come back to it at any time from the domain’s Continue setup button.
5

Check the status

Once the records are in place, click Refresh status. When both records come back verified, the window closes and confirms that the domain can now be used for sending.If the records have not propagated yet, the statuses stay as Pending. Wait and refresh again — there is no limit on how many times you can check.

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Required DNS records

Copy the Host and Value exactly as shown. Some DNS providers append your domain to the host automatically — if yours does, enter the host without the .example.com suffix, so pm._domainkey rather than pm._domainkey.example.com. Adding the suffix twice is the most common reason a record never verifies.

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Sharing records with your DNS administrator

Click Copy all instructions below the DNS records to copy both records, their current status, and notes for your DNS administrator. Paste the text into an email or support ticket. You can copy the instructions again at any time to include the latest status. If your browser blocks clipboard access, you see Could not copy the instructions. Copy the Host and Value fields individually instead — each one has its own copy control.

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Tracking verification status

Each domain appears as a card on the Custom Domains page showing its overall status and the status of each record:
  • Verified — both records have verified. The domain is ready to send from.
  • Pending — one or both records are still outstanding. The card shows which, as DKIM: Verified · Return-Path: Pending.
Pending domains have a Continue setup button that reopens the records. Verified domains do not — there is nothing left to do on them. When you open a pending domain, the dashboard checks its records once. You don’t need to click Refresh status immediately.

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Partial verification

A domain counts as verified only when both the DKIM and Return-Path records have verified. If one has verified and the other has not, the domain still shows as Pending and cannot be selected as a from address. Your DNS provider may publish one record before the other. Keep waiting and refreshing until both show Verified.

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Using a verified domain to send

Once a domain is verified, it becomes available on the Overview step of both campaigns and transactional emails, for two separate settings:
  • From address — the address participants see the email came from. Type the part before the @ (such as events) and choose your verified domain from the dropdown.
  • Reply-to address — where participant replies are delivered. Set the same way, and also limited to your verified domains.
You can point the two at different addresses on the same verified domain — sending from events@yourdomain.com while replies go to support@yourdomain.com, for example. See Branding & Custom Domains and Transactional emails for where these sit in the campaign flow.

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Troubleshooting verification

DNS changes can take up to 48 hours to take effect, so give it time before assuming something is wrong. If a record is still Pending after that, check the following at your DNS provider:
  • The Host and Value match what the dashboard shows, character for character.
  • The host suffix is handled correctly for your provider — see Required DNS records.
  • The record was added to the right domain, not to a different one you also manage.
  • The record type matches: DKIM is a TXT record, Return-Path is a CNAME.
If the records look correct and the domain still has not verified after 48 hours, contact LDT support with the domain name and a screenshot of the records as they appear at your DNS provider.

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Changing or removing a domain

The domain field locks as soon as you save it, so you cannot edit a domain after adding it. If you entered the wrong one, or you want to move to a different domain, add the correct one as a new domain — you can have as many as you need, and each is verified independently. There is no option to remove a domain from this page. If you need one taken off your account, contact LDT support.