how to setup the newsletter

To resolve your problems of the Newsletter widget, Please create new mail on the MailChimp
URL : http://mailchimp.com/
and copy your email and then paste into the Text Newsletter widget.

I do not like mailchimp
Is that it can work if I used another supplier “sendpulse”?

You can use: Gmail SMTP server – requires authentication with your Gmail/Google Apps account and password. Messages can be sent to anyone inside or outside of your domain.

okay thanks!
what are the steps to follow?
what should I do about my template?

You can refer here: http://www.wpbeginner.com/plugins/how-to-send-email-in-wordpress-using-the-gmail-smtp-server/

the SMTP plug-in is installed and configured!
what do I do about dw focus newsletter widget?

I have helped you style the Newsletter plugin to look like our demo, you can use the Newsletter and configure it.
Note: Setup the sendgrid SMTP in the SMTP config panel of Newsletter.

In this case, really is better to use SendPulse. According to the overall functionality is considerably wins.

Thanks for your answer, I appreciate it, my friend.

Thank you Emma …

Thank you Emma …