xx <banzi@???> probably said:
> I have litte problem. My Mail Server (with exim daemon) accept relay.
> I'm readed documentation and I'm used
>
> relay_domain = x.pl:!*
> but does't work.
That isn't how relay_domain works.
> I cannont modify relay over IP address, because my customers using dynamic
> IP and always other.
Then use POP before SMTP ot SMTP auth.
> Now sendnig mail with my SMTP server.
>
> Mail From: <jack@???> -> accepted.
> Mail From: <joe@???> -> accepted.
> Mail From <user@???> -> accepted.
> ....
>
> Mail From <some@???> -> decline.
> Mail From <spammer@???> -> decline...
Thats extrememly insecure, open to relay abuse and not advised.
I use SMTP auth, preferably over TLS.
If you really want to do that, and be an open relay, read the spec
section on relaying.
P.
--
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