--- title: Set Up Custom Email Domain Authentication description: Build brand awareness and reach your guests by setting up email authentication for your custom domain. --- [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) # Set Up Custom Email Domain Authentication ## Build brand awareness and reach your guests by setting up email authentication for your custom domain. You may access the configuration page from Settings: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-26-14-0061-AM.png) Or from this URL: [https://prism.gokai.co/settings/domains](https://prism.gokai.co/settings/domains) If you are unable to access it, please contact our representative.  #### 1. Add Custom Email Domain Please ensure that the email domain is valid. For instance, yourhotel.com (without www in front). ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-37-22-4599-AM.png) If your domain is valid, you will see the below page, then click on **ADD DOMAIN** button: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-37-51-8443-AM.png) #### 2. Verify Custom Email Domain Once the custom domain has been added, the configuration page below will be displayed: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-43-01-6663-AM.png) *If you have questions about your DNS configuration, please refer to the instructions provided by your domain provider. Here are instructions for popular providers:* > Amazon Web Services: [Configuring DNS](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/ResourceRecordTypes.html), [Resource Record Types](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/dns-configuring.html) > > Bluehost: [Manage DNS Records](https://www.bluehost.com/help/article/dns-management-add-edit-or-delete-dns-entries#add) > > CPanel: [DNS Zone Manager](https://support.cpanel.net/hc/en-us/articles/360052041354-How-to-edit-a-DNS-record-in-the-DNS-Zone-Manager) > > Dreamhost: [DNS Overview](https://help.dreamhost.com/hc/en-us/articles/215413857-DreamHost-DNS-overview) > > GoDaddy: [Add a CNAME Record](https://www.godaddy.com/help/add-a-cname-record-19236) > > Google Domains: [DNS Basics](https://support.google.com/a/answer/48090?hl=en) > > Hostgator: [Manage DNS records](https://support.hostgator.com/articles/hosting-guide/lets-get-started/dns-name-servers/manage-dns-records-with-hostgatorenom) > > Hover: [Managing DNS records](https://help.hover.com/hc/en-us/articles/217282457-How-to-Edit-DNS-records-A-CNAME-MX-TXT-and-SRV-Updated-Aug-2015-) > > IONOS: [Configuring CNAME Records](https://www.ionos.com/help/domains/configuring-cname-records-for-subdomains/configuring-a-cname-record-for-a-subdomain/) > > Namecheap: [SPF & DKIM Record](https://www.namecheap.com/support/knowledgebase/article.aspx/9214/31/cpanel-email-deliverability-tool--spf-and-dkim-records) > > Siteground: [Create CNAME Records](https://www.siteground.com/kb/site-tools-vs-cpanel-comparison-create-cname-records/) > > Squarespace: [DNS Settings](https://support.squarespace.com/hc/en-us/articles/205812348-Opening-Advanced-DNS-settings) > > Stablehost: [How do I get to cpanel?](https://billing.stablehost.com/index.php?rp=/knowledgebase/12/How-do-I-get-to-cPanel.html) > > Wordpress: [Manage Your DNS Records](https://wordpress.com/support/domains/custom-dns/#adding-custom-dns-records) > > Siteground: [Manage CNAME Records](https://www.siteground.com/kb/site-tools-vs-cpanel-comparison-create-cname-records/) > > Wix: [Adding or updating CNAME Records](https://support.wix.com/en/article/adding-or-updating-cname-records-in-your-wix-account) Please follow the instructions on the page and copy the TXT record to your DNS. Allow at least 24 hours for your DNS to populate the new records. Once verified, the page below will display: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-51-44-1770-AM.png) #### 3. Authenticate Custom Email Domain Now you can authenticate your custom email domain by clicking on the "**START AUTHENTICATION**" button. ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-55-34-8221-AM.png) Please follow the instructions on the page and copy the CNAME records to your DNS. Allow at least 72 hours for your DNS to populate the new records. ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-02-57-13-8808-AM.png) After it is populated, the page below will be shown: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-00-04-8720-AM.png) #### 4. Add Email Address Enter the email address you want to use for sending emails.  ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-06-41-8144-AM.png) Please ensure the email address is valid before clicking on the "**ADD EMAIL**" button. ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-12-03-3062-AM.png) #### 5. Verify the Email Address After adding the email address, the below page will be displayed and a verification email will be sent to the email address you added. ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-14-53-8587-AM.png) Please proceed to verify the email address: ![](https://help.gokai.co/hs-fs/hubfs/image-png-Aug-11-2023-03-15-54-6399-AM.png?width=398&height=438&name=image-png-Aug-11-2023-03-15-54-6399-AM.png) Please check your junk mail if you did not receive the verification email or click on "Resend Verification Email." ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-17-30-3316-AM.png) Once you verify the email address, the below page will be displayed: ![](https://help.gokai.co/hubfs/image-png-Aug-11-2023-03-20-30-5197-AM.png) Congratulations, you have completed the custom email domain configurations. All Guest Journey Emails will now be sent from this email address.   *If you have questions about your DNS configuration, please refer to the instructions provided by your domain provider. Here are instructions for popular providers:* > Amazon Web Services: [Configuring DNS](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/ResourceRecordTypes.html), [Resource Record Types](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/dns-configuring.html) > > Bluehost: [Manage DNS Records](https://www.bluehost.com/help/article/dns-management-add-edit-or-delete-dns-entries#add) > > CPanel: [DNS Zone Manager](https://support.cpanel.net/hc/en-us/articles/360052041354-How-to-edit-a-DNS-record-in-the-DNS-Zone-Manager) > > Dreamhost: [DNS Overview](https://help.dreamhost.com/hc/en-us/articles/215413857-DreamHost-DNS-overview) > > GoDaddy: [Add a CNAME Record](https://www.godaddy.com/help/add-a-cname-record-19236) > > Google Domains: [DNS Basics](https://support.google.com/a/answer/48090?hl=en) > > Hostgator: [Manage DNS records](https://support.hostgator.com/articles/hosting-guide/lets-get-started/dns-name-servers/manage-dns-records-with-hostgatorenom) > > Hover: [Managing DNS records](https://help.hover.com/hc/en-us/articles/217282457-How-to-Edit-DNS-records-A-CNAME-MX-TXT-and-SRV-Updated-Aug-2015-) > > IONOS: [Configuring CNAME Records](https://www.ionos.com/help/domains/configuring-cname-records-for-subdomains/configuring-a-cname-record-for-a-subdomain/) > > Namecheap: [SPF & DKIM Record](https://www.namecheap.com/support/knowledgebase/article.aspx/9214/31/cpanel-email-deliverability-tool--spf-and-dkim-records) > > Siteground: [Create CNAME Records](https://www.siteground.com/kb/site-tools-vs-cpanel-comparison-create-cname-records/) > > Squarespace: [DNS Settings](https://support.squarespace.com/hc/en-us/articles/205812348-Opening-Advanced-DNS-settings) > > Stablehost: [How do I get to cpanel?](https://billing.stablehost.com/index.php?rp=/knowledgebase/12/How-do-I-get-to-cPanel.html) > > Wordpress: [Manage Your DNS Records](https://wordpress.com/support/domains/custom-dns/#adding-custom-dns-records) > > Siteground: [Manage CNAME Records](https://www.siteground.com/kb/site-tools-vs-cpanel-comparison-create-cname-records/) > > Wix: [Adding or updating CNAME Records](https://support.wix.com/en/article/adding-or-updating-cname-records-in-your-wix-account)