I have this message when trying to send a message via telnet, but it works when I reply to notifications with my regular email providers.
I suggest you enable the reply-by-email feature and try it in the real world to see how it goes.
I have this message when trying to send a message via telnet, but it works when I reply to notifications with my regular email providers.
I suggest you enable the reply-by-email feature and try it in the real world to see how it goes.