How do I send automated email campaign on Sitecore Form submit?

I'm trying to send an automated email campaign in Sitecore 9.2 on a Sitecore Form submit.

I have tried various things but keep getting the below message in ExM Logs

 

MessageTaskRunner worker thread 10 12:46:02 DEBUG [DefaultEmailAddressHistoryManager] Did not submit message. No entries.
MessageTaskRunner worker thread 2 12:46:02 DEBUG [DefaultSentMessageManager] Did not submit message. Message id: 40d28012-428e-4ea9-a9ff-dc244e17f4b3. Instance id: 40d28012-428e-4ea9-a9ff-dc244e17f4b3. Emulation mode: False. Exclude from reports: False: sentContactEntries: 0
MessageTaskRunner worker thread 2 12:46:02 DEBUG [DefaultEmailAddressHistoryManager] Did not submit message. No entries.
MessageTaskRunner worker thread 1 12:46:02 INFO  Message 'auto': Recipient is skipped. The recipient 'Alias PII removed' must not receive marketing messages.
MessageTaskRunner worker thread 1 12:46:02 DEBUG [DefaultSentMessageManager] Did not submit message. Message id: 40d28012-428e-4ea9-a9ff-dc244e17f4b3. Instance id: 40d28012-428e-4ea9-a9ff-dc244e17f4b3. Emulation mode: False. Exclude from reports: False: sentContactEntries: 0
MessageTaskRunner worker thread 1 12:46:02 DEBUG [DefaultEmailAddressHistoryManager] Did not submit message. No entries.
20828 12:46:04 INFO  Time to send: 2264 ms
20828 12:46:04 INFO  Dispatch Message (auto): Finished
  Result:          FINISHED
  Message Id:      {40D28012-428E-4EA9-A9FF-DC244E17F4B3}
  Message Path:    /sitecore/content/Email/Messages/2020/01/17T031653/auto
  Recipients Processed:    17
  Message Total Sent Recipients:    0
  Message Total Failed Recipients:  0
  Message Total Skipped Recipients (Enable log DEBUG level to see why):  17
  Included Recipient Lists: 
  Excluded Recipient Lists: