Re: firewall outgoing mail



On Sep 29, 4:42 pm, Maxwell Lol <nos...@xxxxxxxxxxx> wrote:
elie <mazz...@xxxxxxxxx> writes:
is it possible to add a fire wall that will stop a server from sending
any outgoing mail,

Sure. Block outgoing conections to the SMTP port - 25.

And port 587. Port 25, SMTP, = "transport", 587 is email injection.
Many
ISPs block port 25 now in a misguided attempt to stop spam.
.



Relevant Pages

  • Re: firewall outgoing mail
    ... Thad Floryan wrote: ... any outgoing mail, ... ISPs block port 25 now in a misguided attempt to stop spam. ...
    (comp.os.linux.networking)
  • Re: firewall outgoing mail
    ... elie writes: ... any outgoing mail, ... Block outgoing conections to the SMTP port - 25. ...
    (comp.os.linux.networking)