The MailPoet 3 Premium plugin is the most popular email and newsletter solution for WordPress. With a free account, which we signed up for on your behalf, you can send 5,000 emails per month to up to 1,000 subscribers through MailPoet Sending Service for free. Their high-availability service sends +30 million emails each month with a 98.5% deliverability rate. We authenticated info@yourdomain.com as the sending address with MailPoet and configured the sender domain authentication to ensure email deliverability.
The sign-up form is at the bottom of each page above the footer:
When the user subscribes with a valid email address, the box informs about the confirmation email:
The sign-up confirmation often called “double opt-in”, ensures your subscribers willingly joined your email list. All new subscribers will first receive a “confirmation email” from the MailPoet plugin. Inside this email, there is a link that must be clicked in order to activate the subscription to the newsletter. If they don’t click the link and confirm their subscription, they will remain “Unconfirmed” and will not receive any newsletters. The sign-up confirmation option is enforced when sending emails with MailPoet Sending Service, and there’s no option to disable it. See the checklist before importing an old email address list into Mailpoet.
When the user clicks on the “I confirm my subscription!” link from the confirmation email, he is directed to this webpage:
Further reading: