Bea, My take on your mail is that your xh gave them the address. It's his way of getting you to contact him when you receive mail for him. He has no other excuse to stay in contact w/you because your children are grown and you have detached to the point that he is having some difficulty truly reconnecting w/you.
I have had this happen many times over the years and my xh lives in another part of the state as well. The mail I receive now is brand new things and certainly not the type of mail he use to receive at my residence 14 years ago. BTW, I did the emails to him advising him of the mail and he would never change the addresses, so I had to take it upon myself to contact the organizations and have the address changed.
What I suggest you do is send it on to him via the postal system. You can also scratch out the address and put the correct one and drop it back into the mail. If you contact him by email, he will know then that's one way to get you to contact him and have a communication line going on. It's your decision how you want to handle it, but my money is on the fact that he's given your address to the organization.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.
