[Zope] error trying to import smtplib (unauthorized)

Trying to execute the following code from a python script from smtplib import SMTP from email.MIMEText import MIMEText I get a error: *Error Type: ImportError* *Error Value: import of "SMTP" from "smtplib" is unauthorized. You are not allowed to access 'SMTP' in this context * Why I can't access SMTP if I am a user manager with all the access enabled for managers in the current context ?