Indeed! The mute function is a good idea. I still have much to learn. Your paintings are wonderful!
In the U.S. there are businesses that use P.O. boxes as commercial mailing addresses and use the word βsuiteβ (Ste) with the number rather than P.O. Box with the number as their formal mailing address and mail is no problem. However, these are not government post office boxes but commercial services provided by local franchises of FedEx or UPS and the also have Street addresses before the Ste numbers.