Dear DNS Experts,
This post is intended for discussion.
The ISP I work for has HUGE dynamic IP pools that are full of spammers (of
course). This huge volume of spam is actually influencing the decision for
some of the international provider¹s whether to give us links or not let
alone the bad
Dear Wael,
In what way is blocking Port 25 any worse than blocking MX/root queries
for clients? Both solutions neglect the fact, that spam is not a technical
problem.
Some ISPs think it is a good idea to forward you to a search web page,
when you mispell some URL, this is done via DNS. Obviously,
To me this seems to be a firewall/routing issue. If you know for sure
that some IP is sending spam, if you can not stop them, then at least
you can block their outgoing access to port 25.
Alternatively and maybe better arrange for a proxy server to do
filtering and discard spam. The proxy
Hi,
On 1/31/10 5:17 PM, Sven Eschenberg s...@whgl.uni-frankfurt.de wrote:
Dear Wael,
In what way is blocking Port 25 any worse than blocking MX/root queries
for clients? Both solutions neglect the fact, that spam is not a technical
problem.
This spam issue is major for DSPs and large
Hi,
On 1/31/10 5:28 PM, Sten Carlsen st...@s-carlsen.dk wrote:
To me this seems to be a firewall/routing issue. If you know for sure
that some IP is sending spam, if you can not stop them, then at least
you can block their outgoing access to port 25.
Most of the RBLs list dynamic IP
At 05:25 31-01-10, Wael Shaheen wrote:
As a solution the routing team was thinking to block port 25 for outgoing as
some ISPs do. However, I do not see this to be a valid solution for many
reasons such as clients that have email servers outside, or if decided to be
redirected to spam filters
On Sun, Jan 31, 2010 at 8:25 AM, Wael Shaheen wael.sha...@gmail.com wrote:
As a solution the routing team was thinking to block port 25 for outgoing as
some ISPs do. However, I do not see this to be a valid solution for many
reasons such as clients that have email servers outside, or if
In message c78b5f8c.46e43%wael.sha...@gmail.com, Wael Shaheen writes:
Dear DNS Experts,
This post is intended for discussion.
The ISP I work for has HUGE dynamic IP pools that are full of spammers (of
course). This huge volume of spam is actually influencing the decision for
some of the
Firstly, I feel this really belongs on mailops not bind list :)
secondly...
On Mon, 2010-02-01 at 00:00 +0300, Wael Shaheen wrote:
Blocking port 25 is much worse IMHO because it forces users out of the
service, by restricting their ability to use their own mail servers that can
be hosted
In message c0ab6ee34cf7e8f660d78...@11.sub-97-53-216.myvzw.com, Frank Cusack
writes:
How can I get logs of all NOTIFY messages sent?
logging {
// use local0 instead of daemon
channel local0_syslog {
syslog local0;
severity info;
};
category notify{ local0_syslog;
In message ed6e4c848e8fef4b16e71...@181.sub-97-18-81.myvzw.com, Frank Cusack
writes:
On February 1, 2010 11:35:15 AM +1100 Mark Andrews ma...@isc.org wrote:
You need to be looking a debug 3.
notify_log(notify-zone, ISC_LOG_DEBUG(3), sending notify to %s,
On 29.01.10 22:11, Frank Cusack wrote:
I have also-notify configured for a slave zone. The real master is a
so-called stealth master and all other slaves must consult this slave
nameserver that has also-notify configured.
The slave doesn't appear to be sending NOTIFY messages to the
On Fri, Jan 29, 2010 at 10:11:43PM -0500, Frank Cusack wrote:
...
hosts. zytrax does say that also-notify only applies to type master
servers however I can't find confirmation of that anywhere else.
...
I don't believe that this is the case - I'm using them on servers
serving copies of the
In message 20100131220833.a16...@gwyn.tux.org, Joseph S D Yao writes:
The ARM, in Chapter 6, under Boolean Options [for some value of the word
Boolean, I guess ;-)], says:
Well it started out as a Boolean Option. :-)
Boolean/Enumerated Options would be a more accurate description these days.
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