ram wrote:
On one of my servers I have put in main.cf
smtpd_client_restrictions = permit_mynetworks,reject
Because I want only my internal servers to use this machine as a relay.
This works as expected , but when connections come from outside
mynetworks the Error comes only after "RCPT TO:"
On Tue, Oct 14, 2008 at 07:43:07PM +0400, Nikita Kipriyanov wrote:
> Victor Duchovni ??:
> >Consider setting a null-mx record for the system's
> >host name:
> >
> > ahost.example.com IN MX 0 .
> >
> >
> As I understand things, it simply forces a 'fallback to A record', like
>
Victor Duchovni пишет:
Consider setting a null-mx record for the system's
host name:
ahost.example.com IN MX 0 .
As I understand things, it simply forces a 'fallback to A record', like
when there is no MX records...
Can you please explain, why this is needed?
On Tue, Oct 14, 2008 at 12:13:39PM +0400, Nikita Kipriyanov wrote:
> Yes, you can. See http://www.postfix.org/postconf.5.html#smtpd_delay_reject
> It is on by default, so postfix delays reject until RCPT TO; if you turn
> off that parameter, it will reject immediatly. But, not all mail
> software
http://www.postfix.org/postconf.5.html#smtpd_delay_reject
more to say, even better is to block external connections with firewall
ram пишет:
On one of my servers I have put in main.cf
smtpd_client_restrictions = permit_mynetworks,reject
Because I want only my internal servers to use this machine as a relay.
This works as expected , but when connections come from outside
mynetworks the Error comes only after "RCPT TO:"