I can confirm OP's struggles with my own personal experience. I threw in the towel in 2019: https://www.attejuvonen.fi/dont-send-email-from-your-own-server/ htt

I can confirm OP's struggles with my own personal experience. I threw in the towel in 2019: https://www.attejuvonen.fi/dont-send-email-from-your-own-server/ https://www.attejuvonen.fi/dont-send-email-from-your-own-ser...