getting tired of repairng 4 times a year, came across a few.....
i like this one the best, I can attach to my wood post and its $50. Even a hack like me can install
PlowProof Mailbox Support Arm, post, mailbox post, - Mailbox Support Arm and Installation Instructions
other options....
Return-To-Center
MailSwing, the Swing Away Rural Mailbox that is Snowplow and Vandal Resistant
anyone have a homemade solution? I was thinking of a heavy machine spring mounted to the bottom