This is a basic app for sending mail using gmail oauth credentials, and mailchimp.
The following are the steps to deploy the app:
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Create your google oauth authorization credentials using steps from this link Create authorization credentials
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Ensure the port in your redirect_uri matches the
socket.portvalue in yourapplication.properties -
Download the credentials. Rename the file as
credentials.json -
Save the file in your project folder in this part
src/main/resources/credentials.json -
Start the app.
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From postman, make a post to http://localhost:8081/mail/. Change the port to your server.port value.
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Your post should contain the following fields
to, subject, body
Your server.port value should be different from your socket.port value. Check my application.properties for giude.