Scripts/Send-Mail.ps1


$Params = @{
    To         = "you@somewhere.com"
    From       = "me@somewhere.com"
    Subject    = "Test $(Get-Date -Format "yyyy-MM-dd HH:mm")"
    Body       = $Body
    BodyAsHtml = $true
    SmtpServer = "mail.local"
}


$MailSplit = $Params.To -split "@"
$DnsResolve = Resolve-DnsName $MailSplit[1] -Type MX
$SmtpServer = $DnsResolve[0].NameExchange
$SmtpServer

$Params.SmtpServer = $SmtpServer

$Params

Send-MailMessage @Params


# Mail via Graph

$params = @{
    Message         = @{
        Subject      = "Meet for lunch?"
        Body         = @{
            ContentType = "Text"
            Content     = "The new cafeteria is open."
        }
        ToRecipients = @(
            @{
                EmailAddress = @{
                    Address = "you@somewhere.com"
                }
            }
        )
    }
    SaveToSentItems = "false"
}

Send-MgUserMail -UserId "someone@me.com" -BodyParameter $params