RE: How to email using SuiteScript in Sandbox?

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const senderId = 35111 // employee id

const recipientEmail = [‘firstTest@gmail.com’, ‘secondTest@company.com’];

const recipientCCEmail = [‘thirdTest@gmail.com’, ‘fourthTest@company.com’];

email.send({

author: senderId,

recipients: recipientEmail,

cc: recipientCCEmail,

subject: ‘Test: license code’,

body: `There is not enough license code for this order.

Please add more license code for sku: 1234`,

relatedRecords: {

entityId: recipientId

}

});

I get an email on my company’s email on (35111) and next to the subject I get (officially to: firstTest… secondTest… officially cc: thirdTest… fourthTest.
None of the other email is getting an email. I release the Script, this is on sandbox, only the sender is receiving the email.