SMTP sample for email services

[AdharshMMsft]

Purpose

C# Email SMTP code sample.

• ...

Does this introduce a breaking change?

[ ] Yes
[X ] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[X] Other... Please describe: Adding a code sample for sending email using SMTP

How to Test

• Get the code

Run the SendEmailSMTP.sln project.

• Test the code

What to Check

Verify that the following are valid

• ...

Other Information

Added code samples, README.MD does not have any feedback form.