Javascript to send email without using 3rd party service?

Hi Experts,

I am wondering whether there is a way to write JavaScript code to send email:
1. using known smtp information
2. neither letting user input username/password, nor hard codeing them in the JavaScript
3. not using 3rd party service

I couldn't make it because of the security, but just want to make sure whether there is a way to do that? If there is, how?
Assuming there computer account currently loged in can access email application, can it be use?
Thank you!
huangs3Asked:
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peeyush guptaCommented:
It's not possible until unless you have some sort of server-side programs.

But you can always try something like this.

https://github.com/whiteout-io/smtpclient

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Dave BaldwinFixer of ProblemsCommented:
peeyush gupta is correct.  Javascript does not have the ability to connect to a SMTP server to send email.  The protocols required for email are not part of JavaScript.

The only way is to use AJAX to send data to a server side program that can send email.
huangs3Author Commented:
Thanks! peeyush gupta provides straight answer, and Dave Baldwin provides some additional conclusion to help me capture why.
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