Hello Maxim, Thank you for your answer. As you know, nginx does not send Auth command to backend server, so there's no way for the backend to know if the sender matches the authenticated account. I tried proxy_smtp_auth config but nginx send mail COMMAND to my server but it can not understand :(
Posted at Nginx Forum: https://forum.nginx.org/read.php?2,291574,291583#msg-291583 _______________________________________________ nginx mailing list nginx@nginx.org http://mailman.nginx.org/mailman/listinfo/nginx