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Last, follow the instructions to verify domain ownership by making the required DNS entries. Optionally SendGrid will propose to add DNS records for a ‘Verification Subdomain’ (e.g., em1234.mail.customer.com). This ‘Verification Subdomain’ is only used for authentication and verification.
Step 5: Share screenshots for evidence in the ticket
Once the above are complete, the remaining tasks for making the integration live will be taken by IQVIA support. We will on our end provide evidence that the integration is working in the ticket once our tasks are complete.