method
capable_starttls?
![Some documentation Importance_1](https://d2vfyqvduarcvs.cloudfront.net/images/importance_1.png?1349367920)
capable_starttls?()
public
true if server advertises STARTTLS. You cannot get valid value before opening SMTP session.
capable_starttls?()
public
true if server advertises STARTTLS. You cannot get valid value before opening SMTP session.