Send Email with Powershell

Example1
# You must have Site Collection Access to use following process.

function SendEmail($requestor)
            {
                try
                {
                    $emailTo = $requestor
                    $emailSubject = "Test"
                    $emailBody = "Hi,This is a Test Email."

                    $emailUser = "yourEmail@myDomain.com"
                    $emailPwd = "pass@123"
                    
                    Send-PnPMail -To $emailTo -Subject $emailSubject -Body $emailBody -From $emailUser -Password $emailPwd
                    Write-output "Email sent: Successful!"
                }
                catch
                {
                    #known suppression
                    Write-output "Email sent: Failed! Reason:"$_.Exception.Message.ToString()
                }
            }
SendEmail("myEmail@myDomain.com")


Example 2
# Relay emailID example.

$smtp = new-object Net.Mail.SmtpClient("relay-mailbox.com") #Dns name or IP

$smtp.Send("fromEmail@myDomain.com", "toEmail@myDomain.com", "PowerShell Email", "This is a email from powershell")