I write a Program that should be used in Germany and the Netherlands.
This program should be send a automatically a Email.
By installing the programm , the user must be put in the parameter of his provider.
The problem is the SMTPSecureSocket.
How can he now with type it is.

What do you want to do? What is the problem?

You may want to add preferences to your app and ask user for SMTP Server, maybe port, username and password.
Optionally a local certificate file.

PS: MBS CURL Plugin has also classes to send emails.

i am using MBS CURL Plugin work perfects for same projects send auto email