Mailing list block

On your site, a mailing list content block may look like so:

Access the mailing list form option through the ellipsis icon > Mailing list form.

Set the mailing list form options by clicking on the settings icon in the upper right corner of the block.

Where can I see the submitted email addresses?
In More options (upper right corner of the site) > Form submissions > Mailing list

Can I store mailing list sign-ups in MailChimp? 
Yes. Go to the admin section > More optionsForm submissions tab > Options > "Store contacts in MailChimp...", check this and click "Grant access to Icompendium...".

Can I display a mailing list sign-up link in my website's footer?
Yes. Go to the admin section > Site settings > Site content > Footer, check this > Advanced > check the Mailing list option.