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

# Email Deliverability

> Learn how storekit sends order emails, what authentication standards are in place, and what to do if emails aren't reaching your customers.

storekit sends transactional emails — order confirmations, receipts, ready-for-pickup notifications, and more — on behalf of your store. These emails are sent through **SendGrid**, a leading email delivery platform trusted by millions of businesses.

## How emails are sent

When your store sends an email (e.g. an order confirmation), the **From** address depends on your store's email configuration:

* If your store has a **custom business email** set (e.g. `orders@yourbusiness.com`), emails are sent from that address.
* If your store email uses a **consumer email provider** (Gmail, Outlook, Yahoo, etc.), storekit automatically sends from `no-reply@storekit.com` instead, with your address set as the **Reply-To**. This ensures reliable delivery — consumer email providers block third-party services from sending on their behalf.

<Tip>
  For the best customer experience, set a **custom business email** in your store settings (e.g. `orders@yourbusiness.com`). This ensures your brand name appears in your customers' inboxes.
</Tip>

## Email authentication

storekit uses industry-standard email authentication to maximise deliverability:

| Standard                              | What it does                                                                       |
| ------------------------------------- | ---------------------------------------------------------------------------------- |
| **SPF** (Sender Policy Framework)     | Authorises SendGrid's servers to send email on behalf of the sending domain        |
| **DKIM** (DomainKeys Identified Mail) | Adds a cryptographic signature to each email, proving it hasn't been tampered with |

These standards help email providers (Gmail, Outlook, etc.) verify that messages from storekit are legitimate, reducing the chance of emails landing in spam.

## If you use DMARC on your domain

**DMARC** (Domain-based Message Authentication, Reporting & Conformance) is a security policy that domain owners can publish to control how unauthenticated emails from their domain are handled.

If your business domain has a **DMARC policy** (especially `p=quarantine` or `p=reject`), emails sent by storekit using your domain as the From address may be **rejected or sent to spam** by recipient mail servers. This happens because storekit's SendGrid servers are not listed in your domain's SPF record, and DKIM is signed by SendGrid rather than your domain.

### What you can do

<AccordionGroup>
  <Accordion title="Option 1: Contact storekit support">
    Our support team can help assess your setup and discuss options. [Get in touch](/getting-started/contact-support).
  </Accordion>

  <Accordion title="Option 2: Use a subdomain for store emails">
    Instead of sending from `orders@yourbusiness.com`, set your store email to a subdomain like `orders@store.yourbusiness.com`. You can then configure the subdomain's DNS without affecting your main domain's DMARC policy.
  </Accordion>

  <Accordion title="Option 3: Use the default storekit sender">
    If you remove your custom email from your store settings, storekit will send emails from `no-reply@storekit.com` with your address as the Reply-To. This avoids DMARC conflicts entirely while still allowing customers to reply to you.
  </Accordion>
</AccordionGroup>

## Common deliverability issues

<AccordionGroup>
  <Accordion title="Emails going to spam">
    This can happen if:

    * Your domain has a strict DMARC policy (see above)
    * The recipient's email provider has aggressive spam filtering
    * The customer accidentally marked a previous email as spam

    **Fix:** Ask the customer to check their spam/junk folder and mark storekit emails as "Not Spam". If the issue persists, contact support.
  </Accordion>

  <Accordion title="Emails not arriving at all">
    Possible causes:

    * The customer entered an incorrect email address at checkout
    * The recipient's mailbox is full
    * Your domain's DMARC policy is set to `p=reject`

    **Fix:** Verify the customer's email address in the order details. If correct, contact support for further investigation.
  </Accordion>

  <Accordion title="Emails showing a different sender name">
    If your store email is a consumer address (e.g. Gmail), storekit sends from `no-reply@storekit.com` to ensure delivery. Your address is still set as the Reply-To so customers can respond to you directly.

    **Fix:** Set a custom business email in your store settings.
  </Accordion>
</AccordionGroup>

## Need help?

If you're experiencing email deliverability issues or need help configuring your email setup, [contact our support team](/getting-started/contact-support).