Help / Custom domains
DNS records explained
What each record does and where to add it.
uMail shows you five kinds of records. Copy the exact values from your admin console. The table below is only an example.
| Record | Type | Example host | What it does |
|---|---|---|---|
| Verify | TXT | _umail.yourcompany.com | Proves that you own the domain. |
| MX | MX | yourcompany.com | Tells the internet to deliver your mail to uMail. |
| SPF | TXT | yourcompany.com | Lists which servers may send mail for your domain. |
| DKIM | TXT | (name from console)._domainkey.yourcompany.com | Adds a secret signature so people know a message was not changed. |
| DMARC | TXT | _dmarc.yourcompany.com | Tells other mail servers what to do with mail that fails the checks. |
Where to add them
Sign in where you manage your domain. This may be your registrar or a separate DNS service. Look for DNS, DNS records or Advanced DNS. Choose Add record, pick the type, and paste the host and the value.
- Some providers want only the part before your domain in the Host box. For _umail.yourcompany.com, type _umail. Others want the full name.
- For the root of your domain, some providers use @ as the host.
- Do not add quotes unless your provider asks you to.
- A domain can have only one SPF record. If you already have one, do not add a second. Ask your admin or provider how to merge them.
Changing MX moves your mail to uMail. Do it only when you are ready. Changes can take up to an hour.
The verify record and the MX record decide if your domain is verified. SPF, DKIM and DMARC help your mail reach other people's inboxes, so we strongly advise you to add them too.