You can randomize or 'jig' your address by using a script such as this one. The script basically provides you with a random apartment and places random characters within your address which helps make your profile information more unique. To create a catchall you can follow this guide.
Random email is ONLY available on sites with the option in the UI, and can only be used with catchall only. This is useful because it essentially provides a random email for each task. Random name provides a random name for each task, which is good because it gives your profile(s) a unique name for each task that it is checked for.
When using random email, you must only put your catchall in the profile without the @. Again, this with ONLY works for sites with the random email option in the UI.