Re: check_hostbyrename (discussion)

2004-03-24 Thread John Peacock
Matt Sergeant wrote: I pay [*] for a business DSL line (static IP, 20:1 contention, etc). I've faxed my provider 3 times to try and get them to delegate rDNS to me and they've done nothing. I've now given up. SPF is a more complete solution to the problem that rDNS based blocking is trying to

Re: check_hostbyrename (discussion)

2004-03-23 Thread Matt Sergeant
On Tue, 23 Mar 2004, Skaag Argonius wrote: I disagree with you and robert about remote mail admins not giving a damn. Every mail admin i've talked to online, made the efforts to fix the problems, because I am hosting mail for some companies that do some serious business. Lost mail means lost

Re: check_hostbyrename (discussion)

2004-03-23 Thread frank
(note: I'm the author) I have to agree with this guy here. Since I wrote the plugin, I've been in touch with at least 10 mail admins who were interested in bringing their server closer to spec. Course I'm not quite sure what spec is, I'm just a hacker who is sick of spam on his box and used a

Re: check_hostbyrename (discussion)

2004-03-23 Thread Sam Laffere
frank wrote: (note: I'm the author) I have to agree with this guy here. Since I wrote the plugin, I've been in touch with at least 10 mail admins who were interested in bringing their server closer to spec. Course I'm not quite sure what spec is, I'm just a hacker who is sick of spam on

Re: check_hostbyrename (discussion)

2004-03-23 Thread Charlie Brady
On Tue, 23 Mar 2004, Sam Laffere wrote: Make no mistake, this plugin is a heavy hand. By its self, this plug-in seemed to eliminate the largest chunk of remaining spam when I added it in. It also reduced the load on the server by saving the following plugins the effort of more tests.

Re: check_hostbyrename (discussion)

2004-03-23 Thread James Craig Burley
By its self, this plug-in seemed to eliminate the largest chunk of remaining spam when I added it in. It also reduced the load on the server by saving the following plugins the effort of more tests. I used to do the equivalent for qmail, i.e. temporarily rejecting incoming TCP connections from

Re: check_hostbyrename (discussion)

2004-03-23 Thread frank
With some inspiration from Sam, I cleaned up my code a bit and added a configurable whitelist to my hnbl plugin. The new config file is called 'notbadmailfromhost'. Please note the need to edit the $errormail variable to point to a fairly open address that you can check regularly like yahoo or

check_hostbyrename (discussion)

2004-03-22 Thread Sam Laffere
I implemented this plugin on a test domain, and it seemed great, but after implementing on my production server, I had too many customers not getting their email because of the 'no reverse lookup' part. For now I have remarked that out and still use the badmailfromhost file. The badmailfromhost

Re: check_hostbyrename (discussion)

2004-03-22 Thread Robert Spier
1. Some mail servers(possibly Lotus Notes and others) don't queue and retry. Can you confirm this? It would not surprise me if Lotus Notes is doing something suboptimal, but this particular problem seems unlikely. If there was version of ALLOWSOFT (opposite of DENYSOFT) that would allow