If you cannot remove the mailbox, you will need to cover the post or the surrounding wall with some masking paper and painters tape. [title] Remove all parts from the mailbox, if possible.
[header] How to paint a mailbox [title] Remove the mailbox from the wall or post, if you can. [step] It should be screwed on. Be sure to save the screws some place safe so that you can reattach the mailbox later.