Send-MailMessage sends out emails with the credentials of the current user
Send-MailMessage [-To] <string[]> [-Subject] <string> -From <string> [[-Body] <string>] [[-SmtpServer] <string>] [-Attachments <string[]>] [-Bcc <string[]>] [-BodyAsHtml] [-Cc <string[]>] [-Credential <PSCredential>] [-DeliveryNotificationOption {<None> | <OnSuccess> | <OnFailure> | <Delay> | <Never>}] [-Encoding <Encoding>] [-Priority {<Normal> | <Low> | <High>}] [-UseSsl] [<CommonParameters>]