--- title: Whitelabel Domain URLs and Email Addresses for OTAs description: This setting allows you to specify which domain URLs and email addresses you use to communicate with your guests, and which can be shared with your guests on various OTAs. --- [Back to home](https://help.gokai.co/en/knowledge) - [ ACCOUNT SETTING ](https://help.gokai.co/en/knowledge/account-setting) - [ ADD NEW USER ](https://help.gokai.co/en/knowledge/account-setting#add-new-user) - [ SYSTEM CONFIGURATION ](https://help.gokai.co/en/knowledge/system-configuration) - [ GUEST JOURNEY ](https://help.gokai.co/en/knowledge/system-configuration#guest-journey) - [ PRE-ARRIVAL SURVEY ](https://help.gokai.co/en/knowledge/system-configuration#pre-arrival-survey) - [ MOBILE CONCIERGE ](https://help.gokai.co/en/knowledge/system-configuration#mobile-concierge) - [ PLACES ](https://help.gokai.co/en/knowledge/system-configuration#places) - [ UPGRADES ](https://help.gokai.co/en/knowledge/system-configuration#upgrades) - [ CHECK-IN ](https://help.gokai.co/en/knowledge/system-configuration#check-in) - [ EMAIL DOMAIN CONFIGURATION ](https://help.gokai.co/en/knowledge/system-configuration#email-domain-configuration) - [ PMS/CM INTEGRATIONS ](https://help.gokai.co/en/knowledge/system-configuration#pms-cm-integrations) - [ SYSTEM NOTIFICATIONS ](https://help.gokai.co/en/knowledge/system-notifications) - [ PRE-ARRIVAL ](https://help.gokai.co/en/knowledge/system-notifications#pre-arrival) - [ SURVEY COMPLETION ](https://help.gokai.co/en/knowledge/system-notifications#survey-completion) - [ VOUCHER BOUGHT ](https://help.gokai.co/en/knowledge/system-notifications#voucher-bought) - [ RESERVATIONS ](https://help.gokai.co/en/knowledge/reservations) - [ ADD/IMPORT RESERVATIONS ](https://help.gokai.co/en/knowledge/reservations#add-import-reservations) - [ UPDATE RESERVATION STATUS ](https://help.gokai.co/en/knowledge/reservations#update-reservation-status) - [ OPERATIONS ](https://help.gokai.co/en/knowledge/operations) - [ UPSELLING ](https://help.gokai.co/en/knowledge/operations#upselling) - [ ONLINE CHECK-IN ](https://help.gokai.co/en/knowledge/operations#online-check-in) - [ GUEST PROFILES ](https://help.gokai.co/en/knowledge/operations#guest-profiles) - [ GUEST JOURNEY ](https://help.gokai.co/en/knowledge/operations#guest-journey) - [ MARKETING ](https://help.gokai.co/en/knowledge/marketing) - [ GUEST SEGMENTS ](https://help.gokai.co/en/knowledge/marketing#guest-segments) - [ EMAILS ](https://help.gokai.co/en/knowledge/marketing#emails) - [ CAMPAIGN ](https://help.gokai.co/en/knowledge/marketing#campaign) - [ OPTIMIZATION ](https://help.gokai.co/en/knowledge/optimization) - [ PRODUCT OPTIMIZATION ](https://help.gokai.co/en/knowledge/optimization#product-optimization) # Whitelabel Domain URLs and Email Addresses for OTAs ## This setting allows you to specify which domain URLs and email addresses you use to communicate with your guests, and which can be shared with your guests on various OTAs. ### OTAs Settings - [Booking.com](https://help.gokai.co/en/knowledge/whitelabel-settings-for-otas#booking-com) - [Email Addresses Setting](https://help.gokai.co/en/knowledge/whitelabel-settings-for-otas#booking-com-email-addresses-setting) - [Domain URLs setting](https://help.gokai.co/en/knowledge/whitelabel-settings-for-otas#booking-com-domain-urls-setting) - [Expedia](https://help.gokai.co/en/knowledge/whitelabel-settings-for-otas#expedia) - [Email Addresses Setting](https://help.gokai.co/en/knowledge/whitelabel-settings-for-otas#expedia-email-addresses-setting) ### Booking.com Before you can access the settings on booking.com, you’ll need to complete two-factor authentication first. This is an added [security step](https://partner.booking.com/en-us/help/legal-security/security/securing-your-account) to protect you. Here’s how you can access the settings: 1. Sign in to the Extranet 2. Click **Property**, then **Messaging preferences** 3. Click **Security settings** 4. Complete two-factor authentication If you’re having trouble signing in to the Extranet, [see this article](https://partner.booking.com/en-us/help/account-and-log/settings/logging-bookingcom-extranet). #### Email Addresses Setting This setting allows you to specify which email addresses you use to communicate with your guests via Booking.com's messaging platform. Any messages sent from unregistered email addresses won’t reach your guests. Here’s how to specify email addresses that can reach your guests: 1. Sign in to the Extranet 2. Click **Property**, then **Messaging preferences** 3. Click **Security settings** 4. Complete two-factor authentication 5. Click **Add an email address** and enter either an email domain (e.g. *@example.com) or *an email address (e.g. *example@example.com*) which you have configured in your [Email Sending Domain](https://help.gokai.co/en/knowledge/custom-email-domain) 6. To add more email addresses or domains, click **+** 7. Click **Add email address** 8. Click the toggle button for **Block all email communication** to the **Off** setting 9. To apply the same settings to all properties in your account, click **Apply to all properties** 10. Check the approved email addresses and click **Apply to all properties** in the pop-up 11. Changes will then be applied across all properties Keep in mind that if you enter an email domain, all email addresses using that domain will be allowed. For example, if you enter *@example.com*, **any** email address using this domain (e.g. *[info@example.com](mailto:info@example.com), [help@example.com](mailto:help@example.com)*) will be able to message your guests. ![Bookingcom Whitelabel Email Addresses](https://help.gokai.co/hs-fs/hubfs/Bookingcom%20Whitelabel%20Email%20Addresses.png?width=688&height=216&name=Bookingcom%20Whitelabel%20Email%20Addresses.png) #### Domain URLs setting This setting allows you to specify which links can be shared with your guests via Booking.com's messaging platform. For example, you might choose to add your property’s website address and a link to KAI's Subdomain (e.g. *hotelname.gokai.co*). These links will appear in the **Your approved links** section. Once enabled, any links you haven’t added will be removed from your messages. Your guests won’t be able to click them and instead will see **[Link was removed]**. Here’s how to specify which links can reach your guests: 1. Sign in to the Extranet 2. Click **Property**, then **Messaging preferences** 3. Click **Security settings** 4. Complete two-factor authentication 5. Click **Add a link** and enter the subdomain URL (e.g. *hotelname.gokai.co*), which you have configured in the [Subdomain Configuration](https://help.gokai.co/en/knowledge/use-a-subdomain-for-mobile-concierge) 6. To add more links, click **+** 7. Click **Add domain** 8. Click the toggle button for **Block all links** to the **Off** setting 9. To apply the same settings to all properties in your account, click **Apply to all properties** 10. Check the approved email addresses and click **Apply to all properties** in the pop-up 11. Changes will then be applied across all properties ![Bookingcom Whitelabel Email Domain](https://help.gokai.co/hs-fs/hubfs/Bookingcom%20Whitelabel%20Email%20Domain.png?width=688&height=232&name=Bookingcom%20Whitelabel%20Email%20Domain.png)   ### Expedia #### Email Addresses Setting This setting allows you to specify which email addresses you use to communicate with your guests via Expedia's messaging platform. Any messages sent from unregistered email addresses won’t reach your guests. Here’s how to specify email addresses that can reach your guests: 1. Log in to Expedia Partner Central. 2. Go to **Guest Relations** 3. Click **Message Centre** **![Expedia - Email Addresses Setting - 1](https://help.gokai.co/hs-fs/hubfs/Expedia%20-%20Email%20Addresses%20Setting%20-%201.png?width=360&height=419&name=Expedia%20-%20Email%20Addresses%20Setting%20-%201.png)** 4. Click **Settings** **![Expedia - Email Addresses Setting - 2](https://help.gokai.co/hs-fs/hubfs/Expedia%20-%20Email%20Addresses%20Setting%20-%202.png?width=688&height=171&name=Expedia%20-%20Email%20Addresses%20Setting%20-%202.png)** 5. Add the email address (e.g. *example@example.com*) which you have configured in your [Email Sending Domain](https://help.gokai.co/en/knowledge/custom-email-domain) to the **Authorised email addresses** section ![Expedia - Email Addresses Setting - 3](https://help.gokai.co/hs-fs/hubfs/Expedia%20-%20Email%20Addresses%20Setting%20-%203.png?width=688&height=209&name=Expedia%20-%20Email%20Addresses%20Setting%20-%203.png)