Thx for the reply.
While it was intended, no doubt, to be very wrong, it failed. Lacking
a valid CIDR expression, that only matches the single IPv4 address of
0.0.0.0, which, having special meaning in networking, is unroutable.
A setting of equivalent functionality is mynetworks =.
The OP
Questions similar to yours come up fairly often, I'm not sure why
noone's jumped in yet with a rough solution that will do what you
want. What you've mentioned you want:
How do I ensure that my mail server can only send mails either to or
from mydomains?
Consider that there are three
I *think* the short, correct answer is to use a policy server:
http://www.postfix.org/SMTPD_POLICY_README.html
I will look into those then
I read into http://www.postfix.org/SMTPD_POLICY_README.html, but I do
not see how I can use this to solve my problem.
Perhaps I am missing something...
Any
Serge Fonville:
I *think* the short, correct answer is to use a policy server:
http://www.postfix.org/SMTPD_POLICY_README.html
I will look into those then
I read into http://www.postfix.org/SMTPD_POLICY_README.html, but I do
not see how I can use this to solve my problem.
Perhaps I am
Wietse,
Thx for the reply
The policy server can reject mail from a remote network with a
local sender address.
Isn't that what you want?
As an added bonus, it can also reject mail from a local network
with a remote sender address. This can help to stop outbound spam
from zombie-infested
On Sun, Jan 03, 2010 at 09:58:15PM +1100, Barney Desmond wrote:
mynetworks = 0.0.0.0
This is *definitely* very wrong! smtpd_recipient_restrictions will
allow ANY client in mynetworks to relay mail to any destination. I
While it was intended, no doubt, to be very wrong, it failed. Lacking
a
Postfix, by default, only queues mail that is destined for that system
(mydestination or virtual settings), included in mynetworks, or listed
in relay_domains
This only changes if *you* tell Postfix not to. The config below does
not show any such weakness.
Hmmm, so basically there is no way
Hi,
I'm trying to install a postfix server and everything seemed to work ok.
Until I tried to mail from a remote domain to a remote domain, but
from 'telnet localhost 25'
I understand (suspect) this works because 127.0.0.0/8 is in mynetworks.
How do I ensure that my mail server can only send
On 12/30/2009 11:21 AM, Serge Fonville wrote:
Hi,
I'm trying to install a postfix server and everything seemed to work ok.
Until I tried to mail from a remote domain to a remote domain, but
from 'telnet localhost 25'
I understand (suspect) this works because 127.0.0.0/8 is in mynetworks.
Thx for the reply.
postconf -n
smtpd_banner = Infracom Mail Server
Don't change this unless you have a really good reason.
Some functionality can be lost by those connecting to you and the
current line breaks the SMTP standard.
Ok, thx I'll revert this to the default then ;-)
There are
I was wondering...
smtpd_banner = Infracom Mail Server
Don't change this unless you have a really good reason.
Some functionality can be lost by those connecting to you and the
current line breaks the SMTP standard.
Ok, thx I'll revert this to the default then ;-)
There are open relay
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