If you need unique random email addresses for any reason you probably want to use test email accounts.
You can generate test email accounts on demand with API services like MailSlurp. MailSlurp let’s you create real, random email addresses from code then send and receive real emails.
MailSlurp is like a fake email account for testing but it let’s you do more. You can create as many email addresses as you like and then test send and receive email from them from code via REST API or SDK.
Email testing is a common requirement for many modern apps. To test your code with fake email accounts:
You can try MailSlurp for free. Check it out