@@ -23,6 +23,8 @@ public function __construct() {
 		add_filter( 'camptix_get_attendee_email',                     array( $this, 'redirect_unknown_attendee_emails_to_buyer' ), 10, 2 );
 		add_action( 'camptix_attendee_form_before_input',             array( $this, 'inject_unknown_attendee_checkbox' ), 10, 3 );
 		add_filter( 'camptix_checkout_attendee_info',                 array( $this, 'add_unknown_attendee_info_stubs' ) );
+		add_filter( 'camptix_checkout_receipt_email',                 array( $this, 'send_receipt_to_buyer_instead_of_unknown_attendee' ) );
+		add_filter( 'camptix_email_single_purchase_attendee_ticket',  array( $this, 'send_claim_link_for_single_unknown_attendee' ), 10, 2 );
 		add_filter( 'camptix_edit_info_cell_content',                 array( $this, 'show_buyer_attendee_status_instead_of_edit_link' ), 10, 2 );
 		add_filter( 'camptix_attendee_info_default_value',            array( $this, 'prepopulate_known_fields' ), 10, 5 );
 
@@ -334,7 +336,9 @@ public function hide_additional_attendee_questions_during_checkout( $ask_questio
 	 * Add the value of the username to the Attendee object used during checkout
 	 *
 	 * The current logged in user's username will be assigned to the first ticket and the other tickets will have
-	 * an empty field because it will be filled in later when each individual confirms their registration.
+	 * an empty field because it will be filled in later when each individual confirms their registration. The first
+	 * ticket is left unconfirmed too when the buyer doesn't know who will use it, and the buyer's username is kept
+	 * separately, so CampTix still knows whose order it is.
 	 *
 	 * @param stdClass $attendee
 	 * @param array $attendee_info
@@ -344,8 +348,14 @@ public function hide_additional_attendee_questions_during_checkout( $ask_questio
 	 */
 	public function add_username_to_attendee_object( $attendee, $attendee_info, $attendee_order ) {
 		if ( 1 === $attendee_order ) {
-			$current_user       = wp_get_current_user();
-			$attendee->username = $current_user->user_login;
+			$current_user = wp_get_current_user();
+
+			if ( isset( $attendee_info['unknown_attendee'] ) ) {
+				$attendee->username       = self::UNCONFIRMED_USERNAME;
+				$attendee->buyer_username = $current_user->user_login;
+			} else {
+				$attendee->username = $current_user->user_login;
+			}
 		} else {
 			$attendee->username = self::UNCONFIRMED_USERNAME;
 		}
@@ -361,6 +371,10 @@ public function add_username_to_attendee_object( $attendee, $attendee_info, $att
 	 */
 	public function save_checkout_username_meta( $attendee_id, $attendee ) {
 		update_post_meta( $attendee_id, 'tix_username', $attendee->username );
+
+		if ( ! empty( $attendee->buyer_username ) ) {
+			update_post_meta( $attendee_id, 'tix_buyer_username', $attendee->buyer_username );
+		}
 	}
 
 	/**
@@ -595,30 +609,59 @@ protected function current_row_is_buyer( $tickets_selected, $current_ticket, $cu
 	/**
 	 * Populate unknown attendee fields with stubbed values.
 	 *
-	 * Otherwise they would be empty and the checkout form would fail with errors.
+	 * Otherwise they would be empty and the checkout form would fail with errors. The stubs replace
+	 * whatever the fields hold, because the form only hides them: the buyer's own row is pre-filled
+	 * with the buyer's name and email, and those would otherwise be stored on the unknown ticket.
 	 *
 	 * @param array $attendee_info
 	 *
 	 * @return array
 	 */
 	public function add_unknown_attendee_info_stubs( $attendee_info ) {
-		$unknown_attendee_info = $this->get_unknown_attendee_info();
-
 		if ( isset( $attendee_info['unknown_attendee'] ) ) {
-			if ( empty( $attendee_info['first_name'] ) ) {
-				$attendee_info['first_name'] = $unknown_attendee_info['first_name'];
-			}
+			$attendee_info = array_merge( $attendee_info, $this->get_unknown_attendee_info() );
+		}
 
-			if ( empty( $attendee_info['last_name'] ) ) {
-				$attendee_info['last_name'] = $unknown_attendee_info['last_name'];
-			}
+		return $attendee_info;
+	}
 
-			if ( ! is_email( $attendee_info['email'] ) ) {
-				$attendee_info['email'] = $unknown_attendee_info['email'];
-			}
+	/**
+	 * Send the receipt to the buyer when it would go to an unknown attendee.
+	 *
+	 * The receipt goes to the email of the attendee the buyer picked, which is their own row by default.
+	 * An unknown attendee's email is the placeholder, and e-mails for unknown attendees are redirected to
+	 * the receipt address, so otherwise the buyer would get neither the receipt nor the ticket.
+	 *
+	 * @param string|false $receipt_email
+	 *
+	 * @return string|false
+	 */
+	public function send_receipt_to_buyer_instead_of_unknown_attendee( $receipt_email ) {
+		if ( self::UNKNOWN_ATTENDEE_EMAIL === $receipt_email ) {
+			$receipt_email = wp_get_current_user()->user_email;
 		}
 
-		return $attendee_info;
+		return $receipt_email;
+	}
+
+	/**
+	 * Send the claim link e-mail for a one-ticket order whose attendee is unknown.
+	 *
+	 * Multiple purchases send each unknown attendee's ticket e-mail to the buyer, with the claim link to
+	 * forward. A one-ticket order only gets the receipt, whose link is the buyer's own order page, so the
+	 * buyer would have no claim link to pass on.
+	 *
+	 * @param bool    $send
+	 * @param WP_Post $attendee
+	 *
+	 * @return bool
+	 */
+	public function send_claim_link_for_single_unknown_attendee( $send, $attendee ) {
+		if ( self::UNKNOWN_ATTENDEE_EMAIL === get_post_meta( $attendee->ID, 'tix_email', true ) ) {
+			$send = true;
+		}
+
+		return $send;
 	}
 
 	/**
 
@@ -6385,6 +6385,14 @@ function form_checkout() {
 		if ( isset( $_POST['tix_receipt_email_js'] ) && is_email( $_POST['tix_receipt_email_js'] ) )
 			$receipt_email = wp_unslash( $_POST['tix_receipt_email_js'] );
 
+		/**
+		 * Filter: Modify the address the receipt is sent to.
+		 *
+		 * @param string|false $receipt_email The email of the attendee the buyer picked, or false if none was picked.
+		 * @param array        $attendees     The attendees being checked out.
+		 */
+		$receipt_email = apply_filters( 'camptix_checkout_receipt_email', $receipt_email, $attendees );
+
 		if ( ! is_email( $receipt_email ) )
 			$this->error_flags['no_receipt_email'] = true;
 
@@ -6529,7 +6537,9 @@ function get_draft_release_at( $attendee_id ) {
 	 * Attendee ids of the buyer's own abandoned draft orders: drafts on the payment token of a
 	 * buyer row, whose release time has passed. The buyer row is the one require-login stamps
 	 * with the buyer's tix_username: the first attendee of the order, the rest carrying its
-	 * unconfirmed placeholder until each confirms. Without require-login nothing is stamped
+	 * unconfirmed placeholder until each confirms. When the buyer doesn't know who will use
+	 * the first ticket either, it carries the placeholder too, and the buyer's username is in
+	 * tix_buyer_username instead. Without require-login nothing is stamped
 	 * and this is always empty, as it is when logged out. Their sessions are dead, so they can
 	 * be left out of the buyer's own counts without any risk of two seats; the sweep times
 	 * them out.
@@ -6559,10 +6569,15 @@ function get_abandoned_draft_attendee_ids() {
 			'posts_per_page' => -1,
 			'cache_results'  => ! $this->checkout_lock_open,
 			'meta_query'     => array(
+				'relation' => 'OR',
 				array(
 					'key'   => 'tix_username',
 					'value' => $login,
 				),
+				array(
+					'key'   => 'tix_buyer_username',
+					'value' => $login,
+				),
 			),
 		) );
 
@@ -7412,6 +7427,16 @@ function email_tickets( $payment_token = false, $from_status = 'draft', $to_stat
 
 				do_action( 'camptix_ticket_emailed', $receipt_attendee->ID );
 
+				/**
+				 * Filter: Also send the attendee their own ticket e-mail, as multiple purchases do.
+				 *
+				 * @param bool    $send     Whether to send it. Default false.
+				 * @param WP_Post $attendee The only attendee in the order.
+				 */
+				if ( apply_filters( 'camptix_email_single_purchase_attendee_ticket', false, $attendees[0] ) ) {
+					$this->email_attendee_ticket_multiple_template( $attendees[0] );
+				}
+
 			} elseif ( count( $attendees ) > 1 ) {
 
 				$email_template = apply_filters( 'camptix_email_tickets_template', 'email_template_multiple_purchase_receipt', $attendees[0] );