[Mijae]

					  //check for existing one...if not generate new one
						if (!$activate=$DB_site->query_first("SELECT activationid FROM useractivation WHERE userid='$user[userid]' AND type=0")) {
							// or generate new one!
							// delete old activation id
							$DB_site->query("DELETE FROM useractivation WHERE userid='$user[userid]' AND type=0");

							// make random number
							mt_srand ((double) microtime() * 1000000);
							$activate[activationid]=mt_rand(0,100000000);

							//save to DB
							$DB_site->query("INSERT INTO useractivation VALUES (NULL,'$user[userid]','".time()."','$activate[activationid]',0)");
						}
					}

					$sendmessage=str_replace("\$activateid",$activate[activationid],$sendmessage);
				}
				$sendmessage=str_replace("\$bburl",$bburl,$sendmessage);
				$sendmessage=str_replace("\$bbtitle",$bbtitle,$sendmessage);

				if (!$test) {
					echo "sending ... \n";
					vbmail($user['email'], $subject, $sendmessage, $from);
				} else {
					echo "testing ... \n";
				}

				echo "ok<br>\n";

Thats the code that has the INSERT INTO useractivation and yes this is an unhacked email.php from vb2.3.0