I self host email and have done so, with the same domain, since ~2000. My IP has not changed since 2010 and I have perfect dkim/dmarc/rdns and whatever duct ta

I self host email and have done so, with the same domain, since ~2000. My IP has not changed since 2010 and I have perfect dkim/dmarc/rdns and whatever duct taped bullshit de jure is currently being practiced. Everything generally works.