> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ltv.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Set up your sending domain

> Authenticate a domain so campaigns send from your brand

LTV.ai sends from a subdomain of your own domain, not from a generic address. Setting it up means adding DNS records that prove you authorized the sending.

This is not part of onboarding. Do it before your first send.

## Run the wizard

Go to **Settings > Connections** and open **Sending email**.

<Steps>
  <Step title="Sender name">
    The name recipients see in their inbox. Usually your brand name.
  </Step>

  <Step title="Email domain">
    The subdomain campaigns will send from, for example `mail.yourbrand.com`. Using a subdomain keeps campaign sending reputation separate from your transactional and personal email.
  </Step>

  <Step title="DNS configuration">
    LTV.ai generates the records you need. If your DNS provider is supported, you can authorize LTV.ai to add them for you and skip the manual step. Otherwise, copy each record into your DNS provider.
  </Step>

  <Step title="Verification">
    LTV.ai checks that the records have propagated. This is usually minutes, but DNS can take up to 48 hours depending on your provider.
  </Step>
</Steps>

## What the records do

| Record    | Purpose                                                          |
| --------- | ---------------------------------------------------------------- |
| SPF       | Authorizes LTV.ai to send on behalf of your domain               |
| DKIM      | Cryptographically signs each message so receivers can verify it  |
| DMARC     | Tells receivers what to do with mail that fails the checks above |
| MAIL FROM | Sets the return path used for bounce handling                    |

## Track progress

Go to **Settings > Email Infrastructure** to see where setup has reached. The stages are:

1. Not started
2. Getting started
3. Domain configured
4. Verifying DNS records
5. DNS verified
6. Email authentication ready
7. Secure links configured
8. SSL activated
9. Inbox created
10. Setup complete

If a stage fails, the page tells you which record is wrong. The most common cause is a conflicting existing SPF record on the same domain.

<Note>
  This page is reachable from the Sending email connector. It is not in the sidebar navigation.
</Note>

## After verification

Your first campaign is your warm-up send and is volume capped while LTV.ai establishes your domain's reputation. See [Warm-up and sending limits](/send/warmup-and-limits).