On 06-09-2021 10:59 pm, Apelin, Eulogio wrote:I am testing my mail server setup, when telnetting to port 25, I receive this interaction when I type 'helo myserver.com'220 ******************************************************************* helo myserver.com 502 5.5.2 Error: command not recognized Connection to host lost.
Try typing "ehlo myserver.com"
