Spammers Target Secondary MX hosts?

2005-03-18 Thread Yang Xiao
Hi all, I've been noticing it lately that almost 90% of emails come in through our secondary MX host are spams, I just want to know if there's an explanation for this, my guess is that the spammers spam the secondary MX host intentionally for some reason I can't understand, maybe hoping the

Re: Spammers Target Secondary MX hosts?

2005-03-18 Thread Yang Xiao
On Fri, 18 Mar 2005 13:48:46 +, Duncan Hill [EMAIL PROTECTED] wrote: On Friday 18 March 2005 13:09, Yang Xiao typed: Hi all, I've been noticing it lately that almost 90% of emails come in through our secondary MX host are spams, I just want to know if there's an explanation

Re: Is there such a test?

2005-03-16 Thread Yang Xiao
Alright, I'm developing such a test. For American/Anglo-Sexon names, it will do random comparason with the Webster Dictionary for FLast, FirshL, First.Last Last.F, Last.First and spell check them all. For Indian names, it will search the Yahoo movie Database. For French Names, we will append

Domain of the sender does not resolve

2005-02-25 Thread Yang Xiao
Hi all, I think this is a general sendmail issue, but maybe you can help me figure out what to do. I'm seeing mails being rejected for with Domain of the sender does not resolve, how do I disable the mta of rejecting these? will adding this to the sendmail.mc file help me?

Re: Domain of the sender does not resolve

2005-02-25 Thread Yang Xiao
Well, the emails are legit and they are kind of critical too, so I'm willing to take the chance to let some spams in just so I can get those. I did verify those domains and they are unresolvable, because most of them do not expect a reply or it's just laziness on their part. But like I said, it's

Re: spamassassin and web based mails !

2004-11-13 Thread Yang Xiao
On Fri, 12 Nov 2004 11:52:17 -1200, Kevin W. Gagel [EMAIL PROTECTED] wrote: I haven't even bothered to read the article on the link. Why? Because I am not going to chase after a spammer that is sending spam to a free email account who's log files I do not have access to. I don't have a leg to

Re: spamassasin and web based mail !

2004-11-12 Thread Yang Xiao
I am under pressure here in my office to provide solution to the problems of spams thats is sent through the web based mails from my office to the Internet. Wow turn off access to web based email on your proxy server, firewall or whatever, you don't need spam checking, you need http access

DNSBL Question

2004-11-11 Thread Yang Xiao
Hi all, I'm confused about the answer given in the FAQ on the website regards to DNS settings Q: The dns-blocklists just don't appear to be used. What is going wrong? ... A: Third, if your email gateway is behind a firewall make sure that SpamAssassin is resolving the gateway to it's external

Re: Frustration...

2004-11-04 Thread Yang Xiao
Hi, As a fellow newbie, I have struggled to get everything working for the past two weeks as well, and I can see you are having some of the same problem I had(still having), so here's my $0.02, hope it helps, and for the experts out there, please correct me if I'm wrong with any of my assumptions!

Re: This is driving me NUTS

2004-11-03 Thread Yang Xiao
Hi, Thanks for the explaination, one last question, this might be better suited for MIMEDefang, but since we are on the topic, how do I tell MIMEDefang to bypass/ignore SpamAssassin? I tried to delete the sa-mimedefang.cf file, but that didn't seem to do anything. Many thanks, Yang

This is driving me NUTS

2004-11-02 Thread Yang Xiao
with HTTP; Tue, 2 Nov 2004 14:19:06 -0800 (PST) Message-ID: [EMAIL PROTECTED] Date: Tue, 2 Nov 2004 17:19:06 -0500 From: Yang Xiao [EMAIL PROTECTED] Reply-To: Yang Xiao [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: Fwd: Congratulations In-Reply-To: [EMAIL PROTECTED] Mime-Version: 1.0 Content-Type

Using mysql whitelist + LDAP

2004-10-27 Thread Yang Xiao
Hi all, II want to use mysql backend for users to define their own whitelist, but I can't find any instructions on how to do so, can someone give me a URL or pointers as to how to go about this? Also I would like to use LDAP for mysql authentication. Many thanks, Yang