<label class="custom-select">
                <select name="department">
                    <option>Technical Issues</option>
                    <option>Charities</option>
                    <option>General Inquiries</option>
                    <option>Other</option>
                </select><span><!-- fake select handler --></span>
            </label>
            </div>
            <div class="column-100">

                <textarea name="message" placeholder="Type your message here..."></textarea>

            </div>
            <div class="column-100 center">
                <input type="submit" value="Send" data-error="Fix errors" data-processing="Sending..." data-success="Thank you!">
            </div>
            <footer class="notification-box"></footer>
        </form>

</div>

define('FROM_EMAIL', '');

// Recipient's e-mail. To this e-mail messages will be sent.
// e.g.: john@example.com
// multiple recipients e.g.: john@example.com, andy@example.com
define('TO_EMAIL', 'info@beetheswarm.com');

/**
 * Function for sending messages. Checks input fields, prepares message and sends it.
 */
function sendMessage() {
    // Variables init

<label class="custom-select">
            <select name="department">
                <option value="technical@beetheswarm.com">Technical Issues</option>
                <option value="charities@beetheswarm.com">Charities</option>
                <option value="general@beetheswarm.com">General Inquiries</option>
                <option value="info@beetheswarm.com">Other</option>
            </select><span><!-- fake select handler --></span>
        </label>

define('TO_EMAIL', $_POST['department']);