adds caution for email service

v2/emailpassword/email-delivery/about.mdx

@@ -16,10 +16,14 @@ The following emails are sent by this recipe:
 In this section, we will explore how to customise the design and delivery method of these emails.
 
 ## Method 1) Default behaviour
-If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side and can be used in production.
+If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side.
 
 Learn more about the default email templates and this method in the [default service section](./default).
 
+:::caution
+Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods below.
+:::
+
 ## Method 2) Use your own domain / SMTP server
 Using this method, you can provide your own SMTP server's config and the emails will be sent using those. Use this method if you want to:
 - Send emails using your own domain.
@@ -33,4 +37,4 @@ This method allows you provide a callback using which you can send emails howeve
 - You want to do some custom spam protection before sending the email.
 - You already have an email sending infrastructure and want to use that.
 
-Learn more about this method in the [Custom method section](./custom-method).
+Learn more about this method in the [Custom method section](./custom-method).

v2/emailpassword/email-delivery/default.mdx

@@ -19,4 +19,5 @@ You can see the default email UI here:
 - We do not log / store any of the info sent to our API that send out emails on behalf of your app.
 - Emails are sent using `[email protected]` email ID. If you want to use your own domain, please see one of the other methods in this section.
 - You cannot customise the email template when using this method. If you want to customise the emails, please see one of the other methods in this section.
+- Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods mentioned in this section.
 :::

v2/passwordless/email-delivery/about.mdx

@@ -12,10 +12,14 @@ The following emails are sent by this recipe:
 In this section, we will explore how to customise the design and delivery method of these emails.
 
 ## Method 1) Default behaviour
-If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side and can be used in production.
+If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side.
 
 Learn more about the default email templates and this method in the [default service section](./default).
 
+:::caution
+Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods below.
+:::
+
 ## Method 2) Use your own domain / SMTP server
 Using this method, you can provide your own SMTP server's config and the emails will be sent using those. Use this method if you want to:
 - Send emails using your own domain.

v2/passwordless/email-delivery/default.mdx

@@ -20,4 +20,5 @@ You can see the default email UI here:
 - We do not log / store any of the info sent to our API that send out emails on behalf of your app.
 - Emails are sent using `[email protected]` email ID. If you want to use your own domain, please see one of the other methods in this section.
 - You cannot customise the email template when using this method. If you want to customise the emails, please see one of the other methods in this section.
+- Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods mentioned in this section.
 :::

v2/thirdparty/email-delivery/about.mdx

@@ -12,10 +12,14 @@ The following emails are sent by this recipe:
 In this section, we will explore how to customise the design and delivery method of these emails.
 
 ## Method 1) Default behaviour
-If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side and can be used in production.
+If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side.
 
 Learn more about the default email templates and this method in the [default service section](./default).
 
+:::caution
+Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods below.
+:::
+
 ## Method 2) Use your own domain / SMTP server
 Using this method, you can provide your own SMTP server's config and the emails will be sent using those. Use this method if you want to:
 - Send emails using your own domain.

v2/thirdparty/email-delivery/default.mdx

@@ -15,4 +15,5 @@ You can see the default email UI here:
 - We do not log / store any of the info sent to our API that send out emails on behalf of your app.
 - Emails are sent using `[email protected]` email ID. If you want to use your own domain, please see one of the other methods in this section.
 - You cannot customise the email template when using this method. If you want to customise the emails, please see one of the other methods in this section.
+- Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods mentioned in this section.
 :::

v2/thirdpartyemailpassword/email-delivery/about.mdx

@@ -16,10 +16,14 @@ The following emails are sent by this recipe:
 In this section, we will explore how to customise the design and delivery method of these emails.
 
 ## Method 1) Default behaviour
-If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side and can be used in production.
+If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side.
 
 Learn more about the default email templates and this method in the [default service section](./default).
 
+:::caution
+Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods below.
+:::
+
 ## Method 2) Use your own domain / SMTP server
 Using this method, you can provide your own SMTP server's config and the emails will be sent using those. Use this method if you want to:
 - Send emails using your own domain.

v2/thirdpartyemailpassword/email-delivery/default.mdx

@@ -19,4 +19,5 @@ You can see the default email UI here:
 - We do not log / store any of the info sent to our API that send out emails on behalf of your app.
 - Emails are sent using `[email protected]` email ID. If you want to use your own domain, please see one of the other methods in this section.
 - You cannot customise the email template when using this method. If you want to customise the emails, please see one of the other methods in this section.
+- Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods mentioned in this section.
 :::

v2/thirdpartypasswordless/email-delivery/about.mdx

@@ -13,10 +13,14 @@ The following emails are sent by this recipe:
 In this section, we will explore how to customise the design and delivery method of these emails.
 
 ## Method 1) Default behaviour
-If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side and can be used in production.
+If you provide no configuration for email delivery, the backend SDK sends emails by talking to our servers on `https://api.supertokens.com` (for both self hosted and managed versions). This requires no setup from your side.
 
 Learn more about the default email templates and this method in the [default service section](./default).
 
+:::caution
+Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods below.
+:::
+
 ## Method 2) Use your own domain / SMTP server
 Using this method, you can provide your own SMTP server's config and the emails will be sent using those. Use this method if you want to:
 - Send emails using your own domain.

v2/thirdpartypasswordless/email-delivery/default.mdx

@@ -22,4 +22,5 @@ You can see the default email UI here:
 - We do not log / store any of the info sent to our API that send out emails on behalf of your app.
 - Emails are sent using `[email protected]` email ID. If you want to use your own domain, please see one of the other methods in this section.
 - You cannot customise the email template when using this method. If you want to customise the emails, please see one of the other methods in this section.
+- Emails sent via our service is free and may land up in user's spam due to the high number of apps that use our service. If you want to avoid this, we recommend using one of the other methods mentioned in this section.
 :::