It did not dawn on me until I walked out to my mailbox Monday, June 20â¦and there was no mail. âWhatâs up?â I thought. âItâs Monday, and I always get mail on Monday, since it piles up on Sunday when there is no delivery.â What had happened, I wondered. Then, I witnessed one of those special delivery postal agents who work on holidays, and I flagged her down. And come to find out that Monday