--- title: "Troubleshoot invoice emails" description: "Find out why an invoice email wasn't sent or didn't reach your customer, and fix it." url: https://help.invoicefalcon.com/troubleshoot-invoice-emails/ section: "Emails" last_updated: 2026-10-28 --- # Troubleshoot invoice emails > Find out why an invoice email wasn't sent or didn't reach your customer, and fix it. Use this guide if a customer says they didn't get their invoice, or Invoice Falcon showed an error when you sent one. Find the message you saw, or the symptom, below. Each case says what causes it and what to do. ## Before you begin - Emails you send yourself show an error in the app straight away if they can't be sent. Note the exact message and look for it below. - Automatic emails don't show an error. To see whether an invoice was emailed, click **Orders** in the app's menu and look at the email icon on the order's row. It turns blue once the invoice has been emailed. - To send an invoice again, open the order and click **Send** > **Send email**. See [Email an invoice to a customer](https://help.invoicefalcon.com/email-an-invoice/). ## Troubleshooting ### A new order didn't get an automatic invoice email Check these in order: 1. **Send invoices automatically** shows **On** in **Settings** > **Emails**. 2. The order came in after you turned it on. Older orders are never sent automatically. 3. The order reached the status in **Only send when**, and its customer and order tags match your **Tags** rules exactly. 4. The invoice wasn't already sent. Each invoice is sent automatically only once, so editing or updating the order doesn't send it again. 5. None of the other cases below apply. See [Send invoices automatically](https://help.invoicefalcon.com/send-invoices-automatically/) for how the rules work. ### No email address found for this order The order and its customer have no email address in Shopify, which can happen with some point-of-sale orders. Add an email address to the customer in Shopify, then send the invoice again. To send it to an address without changing the customer, open the order and click **Send** > **Review & send**, then type the address in **Email(s)**. ### You have reached your monthly limit of 50 invoices on the Free plan On the Free plan, Invoice Falcon handles up to 50 orders a month. When you reach the limit, automatic emails stop and Invoice Falcon emails you. The count resets on the day of the month you installed the app. To keep sending now, upgrade to the **Pro plan**. See [How the monthly invoice limit works](https://help.invoicefalcon.com/monthly-invoice-limit/). ### This store has reached the daily invoice email limit New stores can send up to 200 customer emails a day until our team has reviewed the store. This protects every store's email delivery from spam. When you reach it, you get an email that your invoice emails are paused pending review, and our team is notified. Once the store is approved, you get a second email and there's no daily limit. Send the invoices that didn't go out again after that. In a bulk email, invoices past the limit aren't sent. ### Email sending is disabled for this shop Sending was paused because too many of your recent emails bounced or were marked as spam. Contact our support team to review and turn sending back on. Before you send again, check your customers' email addresses for typos, and avoid sending to lists of old or unconfirmed addresses. ### The email was sent but the customer can't find it Check these in order: 1. Ask the customer to look in their spam, junk, or promotions folder. 2. Check the customer's email address in Shopify for typos. If an address bounced recently, Invoice Falcon skips it for up to 30 days. Correct the address in Shopify, then send the invoice again. 3. Send from your own domain. Emails from your verified store address are more likely to reach the inbox and are easier for customers to recognize. See [Change the sender address](https://help.invoicefalcon.com/change-the-sender-address/). ## FAQ ### Why did my emails stop sending after I changed the email text? A variable in your subject or message is probably misspelled. An email with a variable Invoice Falcon can't fill isn't sent. Open the editor, click **Subject and message**, and click **Send test email** to find the problem. See [Customize your invoice emails](https://help.invoicefalcon.com/customize-invoice-emails/). ### Why didn't my customer get the invoice again after I edited the order? Each invoice is sent automatically only once. To send the updated invoice, open the order and click **Send** > **Send email**. ### Who receives my customers' replies? Your sender address if you set one, otherwise your Shopify store email. Emails come from `invoices@invoicefalcon.com` with your store name unless you [change the sender address](https://help.invoicefalcon.com/change-the-sender-address/). ### Can I send the invoice to a different address than the one on the order? Yes. Open the order, click **Send** > **Review & send**, and type the address in **Email(s)**. To always copy a second address for a customer, see [Send copies of invoice emails](https://help.invoicefalcon.com/send-email-copies/). ### Why didn't I get my copy of an invoice I sent myself? **Send me a copy** only copies automatic invoices. When you send one yourself, tick **Send me a copy of the invoice** in the **Send email** window. See [Send copies of invoice emails](https://help.invoicefalcon.com/send-email-copies/). ## Related guides - [Send invoices automatically](https://help.invoicefalcon.com/send-invoices-automatically/), for the automatic sending rules. - [Email an invoice to a customer](https://help.invoicefalcon.com/email-an-invoice/), to send one again. - [Change the sender address](https://help.invoicefalcon.com/change-the-sender-address/), to send from your own domain. - [How the monthly invoice limit works](https://help.invoicefalcon.com/monthly-invoice-limit/), for the Free plan limit.