The most common use for a TXT file or record related to OWA is to prove you own the domain so you can use it for professional email.
To prepare a post regarding , you are likely looking to verify domain ownership for Microsoft 365 or configure Exchange Server "Download Domains" for security. 1. Verifying Domain Ownership (Microsoft 365)
: Send an email with an inline image to an OWA user. Right-click the image and select Copy Image link —it should point to your new download domain. Summary of DNS Record Values Record Type Host / Name TXT @ or blank MS=msXXXXXXXX Verify Domain Ownership CNAME owa mail.domain.com Alias for easier OWA access owa domain.txt
: Use the Exchange Management Shell to set the download hostnames: powershell
: Enter your custom domain name (e.g., yourcompany.com ) and select Use this domain . Verification Method : The most common use for a TXT file
: Create a new DNS record for a subdomain like attachments.yourdomain.com .
Add a TXT record to your DNS settings (e.g., at GoDaddy or Namecheap) using the value provided by Microsoft (e.g., MS=msXXXXXXXX ). Verifying Domain Ownership (Microsoft 365) : Send an
: Navigate to the Microsoft 365 Admin Center under Settings > Domains .