Mail export broken after 4.11 version

user544

Hi, can you help me?
This code works Ok on FastRepor 4.11 but throw 503 Error on 4.12.1 or 4.15, the lastest version.

Error:
ExpMtm (60)
503 AUTH Command used when not advertised.

AFrxReport.PrepareReport(true);
AFrxReport.ShowPreparedReport;
with DMFastReport do
begin
frxMailExport1.Address := '';//SMTP_USER;
frxMailExport1.FromCompany := vEmpresa;
frxMailExport1.SmtpHost := SMTP_SERVER;
frxMailExport1.SmtpPort := 25;
frxMailExport1.FromMail := SMTP_USER;
frxMailExport1.FromName := USUARIO;
frxMailExport1.Login := SMTP_USER;
pass := SMTP_PASSWORD;
frxMailExport1.Password := pass;
frxMailExport1.Subject := FSubject;
frxMailExport1.ExportFilter := frxPDFExport1;

end;