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Emails sent from ClinSpark need to come from a customer-owned non-ClinSpark DNS name, the ‘Main Domain Name’. For example, outgoing mail sent from clinspark might have a from address of “clinspark-mail.customer-dns-name.com”, “http://mail.customer.com ” or “customer-recruiting.com”. The actual DNS name is is up to customers, but there must be a separate DNS name per instance of ClinSpark with SendGrid connectivity.
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