Krypton: It has come to my attention that this cache is place illegally on a Postal collection box and needs to be removed ASAP.
Placing caches on any kind of mailbox is against geocaching guidelines.
Had the reviewer known about the location of the cache it would not have been published.
If you wish to appeal this archival you have the right to go to appeals@geocaching.com
I look forward to publishing your caches that meet the guidelines.
Thanks for your cooperation!
Krypton
Northern California Groundspeak Volunteer Cache Reviewer