Send the MAIL FROM command Throw a MailException if we can't connect.
[Visual Basic] Public Function MailFrom( _ ByVal mailfrom As EmailAddress _ ) _ Implements ISmtpProxy.MailFrom As SmtpResponse [C#] public SmtpResponse MailFrom( EmailAddress mailfrom ); [C++] public: SmtpResponse* MailFrom( EmailAddress* mailfrom ); [JScript] public function MailFrom( EmailAddress mailfrom ): SmtpResponse;
the SMTP response