The postfix add-on software "smtpprox" can do exactly what you want, with a
little modification. Since smtpprox is written in perl it can adversely
affect system load, but it works very well for us and the affect on our
system load is negligible.
Antonio Navarro Navarro wrote:
Hi all!
I have configured a Postfix server with amavisd and spammassassin as
relay server for several domains. All the mails sent to @example1.com
and @example2.com are received in the postfix server, and then
redirected to the real mail server for this domai
Eugene Vilensky wrote:
Hi,
I'd like to be able to set a hard limit on the number of recipients
that postfix will ever process, globally across my system. I see
smtpd_recipient_limit but I think that would have the unintended
consequence of "legitimizing" a ridiculous amount of recipients into
m
Marky Yehezkiel (SNC) wrote, at 10/06/2008 10:17 PM:
> I just wondering is there any way in postfix that can check port 25 of
> sender is open or not.
Why do you assume that a legitimate relay must also accept connections
on port 25? There's no requirement that an MX must also be the source of
ou
On Tue, Oct 07, 2008 at 10:17:41AM +0800, Marky Yehezkiel (SNC) wrote:
> Oct 6 20:47:06 smtp2 postfix/smtpd[58410]: 8F625267977:
> client=unknown[190.26.129.204]
>
> I want to make policy If source IP 190.26.129.204 and 90.183.38.135 with
> port 25 is not open then postfix will reject the email.
Marky Yehezkiel (SNC) <[EMAIL PROTECTED]> wrote:
> I just wondering is there any way in postfix that can check port 25 of
> sender is open or not.
>
> Commonly I got spam where the sender IP address are not open for port 25
> such as :
[...]
> I want to make policy If source IP 190.26.129.204 a
