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Sending store email from your own domain
By default your store's transactional email (order confirmations, password resets, two-factor codes, etc.) is sent from a no-reply address on your store's default address. You can instead send it from your own domain — e.g. [email protected] — so the mail matches your brand and lands more reliably in inboxes.
To do this, you add a small set of DNS records to your domain. Those records let your store sign and send email on your domain's behalf. You add them once; nothing on your store changes until the records are verified.
The DNS records you'll add
When you set up a sending domain, you're given the exact records to copy into your DNS provider (the same place you manage your domain's other records). There are three kinds:
- DKIM (three CNAME records) — these cryptographically sign every email so receiving servers can confirm it genuinely came from your store. This is the single biggest factor in staying out of spam folders.
- A bounce subdomain (one MX and one TXT record on a
bounce.subdomain) — handles delivery feedback (bounces and complaints) and authorises your domain to send (SPF). - DMARC (one TXT record) — an optional policy that tells receivers what to do with mail that fails the above checks.
Copy each record exactly as shown — names and values are case- and character-sensitive, and a single typo will stop verification.
Two things to watch for
- The bounce subdomain's MX record is safe. It only applies to the
bounce.subdomain, so it does not affect — or interfere with — email you receive at your domain (e.g. your normal mailboxes). Your existing inbound mail keeps working exactly as before. - Don't overwrite an existing DMARC policy. If your domain already has a
_dmarcrecord, keep your current one rather than replacing it. (If you're not sure, leave your existing DMARC in place — you can refine it later.)
What happens after you add the records
Once the records are in place, verification usually completes within a few minutes. After that, your store automatically begins sending its email from your domain — there's nothing else you need to do.
DNS changes can sometimes take longer to spread across the internet. If your store hasn't switched over after a few hours, re-check that every record was entered exactly as given (a missing or mistyped DKIM record is the most common cause).
Turning it off
You can revert to the default sending address at any time. Your store goes back to sending from its default no-reply address immediately; you can then remove the records from your DNS at your convenience.