Hello,   
Yes,  I using the standard SMTP VIs that come with LabVIEW.    
I have the following error:  
" 
code : 56 
source : 
TCP Open Connection in NI_SMTPEmail.lvlib:SMTP Email Open Session.vi:3->NI_SMTPEmail.lvlib:SMTP Email Send Message Charset.vi:2->NI_SMTPEmail.lvlib:SMTP Email Send Message.vi:1->testesend email.vi 
" 
what happens? 
Thank you