When sending an email to the production mail address: email@example.com from firstname.lastname@example.org, it does not get delivered. Can you please help me set up the mail delivery?
If this is the case, your sending Exchange server in the test domain will need to point to a DNS server that is aware of the Mail Exchanger (MX) record for production.xyz.com. Once you define this MX record, your sending server will deliver to the appropriate gateway in production.xyz.com.
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