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dog guarding
Why your dog hates the postman
![a black and white picture of a dog trying to squeeze his face through a gap in the fence](https://www.gooddoggie.co.uk/wp-content/uploads/2019/04/dog-cute-pet-scaled-1-768x512.jpg)
So, your dog barks like mad at the postman, the window cleaner and even the bin men! But why does he hate them so much – he’s never even met them?