Setup Mail Sever on raspberry pi 4
1. ref 2.1 prepare 2.1.2 prepare outbound port 2.1.3 prepare dns mx.aisoit.com 113.149.218.254 2.1.4 prepare ssl 2.2 install 2.2.2 setup
1. ref 2.1 prepare 2.1.2 prepare outbound port 2.1.3 prepare dns mx.aisoit.com 113.149.218.254 2.1.4 prepare ssl 2.2 install 2.2.2 setup