Salesforce Fact #761 | Invalid email value in trigger

What happens when an email field is evaluated to an incorrect value from a trigger. The below error is encountered: data changed by trigger for field <fieldName>: invalid email address: (value has been hidden) In this example, we have a dummy email field on contact which is populated with an invalid value from trigger and is eventually encountered as an error. Note: The code snippet is only for quick demonstration purpose. Attached are the screenshots.