Takayuki Miyoshi

<p>Double Opt-In Helper is a WordPress plugin that helps developers implement the double opt-in process in their plugins.</p>
<h4>What is double opt-in?</h4>
<p>Double opt-in is a procedure used to confirm user’s consent. Today, service providers are required to obtain clear consent from users prior to collecting or using their personal data. In some situations, however, asking the user to tick an “I agree.” checkbox is not sufficient. Double opt-in serves a useful role in such situations.</p>
<p>A typical double opt-in process starts by the service provider sending an email message to the user. The message includes a URL link to the provider’s website and asks the user to click the link if they agree on conditions. Usually, the URL includes some sort of unique random code that works as a token to confirm the user’s consent.</p>
<p>By doing this, the service provider can confirm that the real user (not a bot or someone else) has consented, because only the user should be able to access messages to their email address.</p>
<h4>I’m a developer. How can I use this plugin?</h4>
<p>First, register an “agent” who can handle double opt-in sessions for you, and knows what to do when a user opts-in.</p>
<p>To register an agent, use the <code>doihelper_register_agent()</code> function. <code>doihelper_register_agent()</code> takes two parameters: the name of the agent (required), and an optional associative array of arguments. The available arguments are:</p>
<ul>
<li><code>acceptance_period</code> — The length of time (in seconds) for how long a double opt-in session remains live. Default value: 86400 (24 hours)</li>
<li><code>optin_callback</code> — The callback function that will be called when a user opts-in.</li>
<li><code>email_callback</code> — The callback function that will be called to send a confirmation email.</li>
</ul>
<p>After registering an agent, start a double opt-in session by calling the <code>doihelper_start_session()</code> function. <code>doihelper_start_session()</code> takes two parameters: the name of the agent (required), and an optional associative array of arguments. The available arguments are:</p>
<ul>
<li><code>email_to</code> — The recipient’s email address, used for the confirmation email. If you omit this argument, no email will be sent. If you do not provide this argument, you will need to provide the user with the confirmation link another way.</li>
<li><code>properties</code> — The properties array of the session. This array is to be passed to the <code>optin_callback</code> function as its only parameter. While you can include any information into this, the primary purpose of it is to pass user-related data to the opt-in callback.</li>
</ul>
<p>The session data will be stored in the database until the user opts-in, or the acceptance period (from <code>doihelper_register_agent()</code>) expires.</p>


Double Opt-In Helper

Double Opt-In Helper is a WordPress plugin that helps developers implement the double opt-in process in their plugins.

mkscripts

<p>Download After Email is a free Subscribe & Download plugin that allows you to gain subscribers by offering free downloads.</p>
<h4>Subscribe & Download Form</h4>
<p>Creating a new subscribe & download form is pretty much the same as creating a new post or page, only with some extra options. If you are satisfied with the preview you can save the form and place the generated shortcode on a page, post or widget. It is possible to create multiple subscribe & download forms.</p>
<h4>Enter Email Before Download</h4>
<p>A visitor must enter his email address before the download link will be sent via email. For the secured download links, a limit type can be set such as one-time, unlimited or time-based and the download process is protected against unauthorized use. You can choose whether to send an email notification and to which email address it should be sent.</p>
<h4>Responsive & Highly Customizable</h4>
<p>The Ajax-based opt-in form is fully responsive and adapts to the space around the form and to the screen. There are many options available to customize the layout of the subscribe & download form and to adjust the text for all notifications including the email that is sent with the download link. It is possible to use HTML and images for the email content. “From Email” and “From Name” can be set.</p>
<h4>GDPR Ready</h4>
<p>Download After Email offers all necessary tools to let you comply with the GDPR. You can enable a required checkbox and a optional checkbox. The text of the checkboxes can be adjusted. In the background, data is stored such as IP address, form content, time etc. The use of the download link functions as double opt-in.</p>
<h4>Hooks & Filters</h4>
<p>Hooks and filters are available for developers to make adjustments or implement extensions. For example, you can write your own HTML code for the subscribe & download form field(s) or for the email that is sent to the subscriber. Or you could add new actions after a download link has been sent and after a download link has been used.</p>
<h3>Add Premium Features</h3>
<p><a href="https://www.download-after-email.com/add-on" rel="nofollow ugc">Download After Email Plus</a> is an extension/add-on that adds the following premium features:</p>
<ul>
<li>Create and manage your own form fields with the Drag & Drop Form Builder.</li>
<li>Export subscriber data to a CSV-file and use it for email marketing, newsletters etc.</li>
<li>Integration with Mailchimp. Automatically add new subscribers to your Mailchimp audience.</li>
</ul>
<p>Visit our website for more information: <a href="https://www.download-after-email.com" rel="nofollow ugc">https://www.download-after-email.com</a></p>


Download After Email – Subscribe & Download Form Plugin


Good features .. needs a bit of customization for frontend


Good Plugin ..

Download After Email is a free Subscribe & Download plugin that allows you to gain subscribers by offering free downloads.

Double Opt-In Helper vs Download After Email – Subscribe & Download Form Plugin