You can achieve this by using PHP’s mail() function or similar in other technologies but these are not recommended as you can run into some deliverability issue here. Especially when you have a shared web server and the server’s IP might already be on spam blacklists, which will send your emails in the recipient’s spam folder and hence conflicting the deliverability. And therefore, this is not a recommended way to sent transactional emails. You can read about who provides dedicated IP here.
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