i will integrate MailChimp,Aweber,SendInBlue etc in your website which wont ask user to Confirm Email. As soon as they submit their Name and Email or just email-id you will get it directly in your so "List".
Sometimes people forget to confirm the link that they receives in Mailbox as soon as they fills the subscription form and you people loose that user.
We can also enable Double opt-in too which is also good to get genuine verified email id in your list to avoid typo or other errors.
So we are here to help you regarding that and create widget or code it on your website so you get details of user directly with or without any email verification.
So you are just ready to send the emails right away. We helped many companies in such Newsletter/Subscription system, and now we are exclusive on Fiverr to help hard working users like you.