Re: How to filter out spam messages?

2014-01-24 Thread Thomas Harold
On 12/30/2013 8:27 AM, Timothy Murphy wrote: I'm running what I take to be a standard postfix/amavis/clamav/dovecot/spamassassin setup on my newly-installed CentOS-6.5 server. As far as I can see, the setup is working ok, except that spam - marked as such - is getting through to my email client

How to filter out spam messages?

2013-12-30 Thread Timothy Murphy
I'm running what I take to be a standard postfix/amavis/clamav/dovecot/spamassassin setup on my newly-installed CentOS-6.5 server. As far as I can see, the setup is working ok, except that spam - marked as such - is getting through to my email client (KMail under Fedora-20). I'm not clear which

Re: How to filter out spam messages?

2013-12-30 Thread Benny Pedersen
Timothy Murphy skrev den 2013-12-30 14:27: Any suggestions or advice gratefully received - or pointer to documentation dealing with this specific point. I did look through a number of online documents, eg http://wiki.centos.org/HowTos/Amavisd. see the sa_* settings in that guide, ask if you

Re: How to filter out spam messages?

2013-12-30 Thread Benny Pedersen
Timothy Murphy skrev den 2013-12-30 14:27: I'm not clear which program should be filtering out the spam? using procmail/sieve/maildrop or other means of mua filtering could do the last work with that header info amavisd puts into the mails if you want mta to reject spam, then you must

Re: R: How to filter these spam messages

2006-10-19 Thread Jonas Eckerman
Giampaolo Tomassoni wrote: Which kind of algorithm you use for address massacring? To see it in context, read the code at http://whatever.frukt.org/mimedefangfilter.text.shtml The following sub routine is the main part of the mail address changing: ---8--- sub greylist_strip_mail($$$) {

Re: How to filter these spam messages

2006-10-19 Thread Jonas Eckerman
Chris Santerre wrote: I see this argument a lot. IMHO if you can't wait 30 minutes for an email, then you should be using a phone, fax, or a car to drive over and talk to the person. I agree with that. My boss accepts it, though I'm not sure she agrees. Some of those above her have have

Re: How to filter these spam messages

2006-10-18 Thread Jonas Eckerman
Michael Scheidell wrote: Someone want to explain Greylisting? It delays any email for up to 45 mins. Usually not that long. In my experience a forced delay of 3 minutes and a grey period of 72 hours is enough to stop most spam. Granted, it then depends on the sending servers retry times,

Re: How to filter these spam messages

2006-10-18 Thread Jonas Eckerman
R Lists06 wrote: A minute or two delay from grelisting matters that much Greylisting usually delay a mail for more than two minutes (when it delays, a good implementation can excempt most mail from the delay after a while). Even if the greylist implementation only enforces a one minute

R: How to filter these spam messages

2006-10-18 Thread Giampaolo Tomassoni
We also massacre the sender address a bit so that for most mailing lists only the first mail to a recipient is delayed. Which kind of algorithm you use for address massacring? giampaolo

Re: How to filter these spam messages

2006-10-18 Thread Stuart Johnston
Jonas Eckerman wrote: R Lists06 wrote: A minute or two delay from grelisting matters that much Greylisting usually delay a mail for more than two minutes (when it delays, a good implementation can excempt most mail from the delay after a while). Even if the greylist implementation

Re: How to filter these spam messages

2006-10-18 Thread Peter H. Lemieux
Chris Santerre wrote: But if you rely on email for time sensitive info you best rethink what you are doing :) Regardless of your perspective, Chris, the fact is that most people have come to expect email to be as reliable and instantaneous as making a phone call. In one sense that's a

Re: How to filter these spam messages

2006-10-18 Thread Jo Rhett
Chris Santerre wrote: But if you rely on email for time sensitive info you best rethink what you are doing :) Text messages don't provide authentication, validation nor archival. E-mail can provide both. I agree that people should be more patient, but when e-mail works as well as it

Re: How to filter these spam messages

2006-10-18 Thread John Rudd
Jo Rhett wrote: Chris Santerre wrote: But if you rely on email for time sensitive info you best rethink what you are doing :) Text messages don't provide authentication, validation nor archival. E-mail can provide both. Email does a lousy job at authentication (over the full path,

Re: How to filter these spam messages

2006-10-17 Thread Gary V
Gary V wrote: uri GEOCITIES /^http:\/\/(..|www)\.geocities\.com\/+.+/i describe GEOCITIES Geocities URL scoreGEOCITIES 3.5 FWIW, if you process large quantities of mail, scoring on just the Geocities URI itself *will* cause a significant number of false positives even at scores as

Re: How to filter these spam messages

2006-10-16 Thread Benny Pedersen
On Mon, October 16, 2006 05:23, Billy Huddleston wrote: Won't work for my use.. Running SA for ISP.. Way too many people.. Way too much volume.. People upset at the time delays already.. which ar under 2 - 10 minutes.. Go Figure. same people use upto 2 - 10 minutes to delete spam, Go Figure

Re: How to filter these spam messages

2006-10-16 Thread John D. Hardin
On Sun, 15 Oct 2006, Billy Huddleston wrote: Won't work for my use.. Running SA for ISP.. Way too many people.. Way too much volume.. People upset at the time delays already.. which ar under 2 - 10 minutes.. Go Figure. Adjust their expectations. Email is *not* IM. -- John Hardin KA7OHZ

Re: How to filter these spam messages

2006-10-16 Thread Logan Shaw
On Mon, 16 Oct 2006, John D. Hardin wrote: On Sun, 15 Oct 2006, Billy Huddleston wrote: Won't work for my use.. Running SA for ISP.. Way too many people.. Way too much volume.. People upset at the time delays already.. which ar under 2 - 10 minutes.. Go Figure. Adjust their expectations.

Re: How to filter these spam messages

2006-10-16 Thread Jo Rhett
Logan Shaw wrote: I guess the problem with being an ISP is that there would be other ISPs who would be willing to not try to adjust their expectations and instead promise them super-speedy e-mail delivery in all cases. The fact that it isn't possible to deliver on that promise might not matter

Re: How to filter these spam messages

2006-10-16 Thread Billy Huddleston
, 2006 2:47 PM Subject: Re: How to filter these spam messages Logan Shaw wrote: I guess the problem with being an ISP is that there would be other ISPs who would be willing to not try to adjust their expectations and instead promise them super-speedy e-mail delivery in all cases. The fact

Re: How to filter these spam messages

2006-10-16 Thread Simon
ober 16, 2006 2:47 PM Subject: Re: How to filter these spam messages Logan Shaw wrote: I guess the problem with being an ISP is that there would be other ISPs who would be willing to not try to adjust their expectations and instead promise them super-speedy e-mail delivery in all

RE: How to filter these spam messages

2006-10-16 Thread R Lists06
I reviewed greylisting as a solution in the past, we couldn't accept it due to delay and I also read not all email servers will resend properly. So there is a chance few legitimate emails will never get redelivered. When you are running a business shop, such delays or exceptions

RE: How to filter these spam messages

2006-10-16 Thread Daniel T. Staal
I'm not the orginal poster, but... On Mon, October 16, 2006 3:43 pm, R Lists06 said: Do you really want email from a server that doesn't work right or isn't administered as best it can be? I want every legitimate email sent to me. Period. No matter how it was sent; the sender of the email

Re: How to filter these spam messages

2006-10-16 Thread Jo Rhett
On Mon, October 16, 2006 3:43 pm, R Lists06 said: Do you really want email from a server that doesn't work right or isn't administered as best it can be? Daniel T. Staal wrote: I want every legitimate email sent to me. Period. No matter how it was sent; the sender of the email may have no

Re: How to filter these spam messages

2006-10-16 Thread Simon
I'm not sure what you have defaulted on, but majority of clients I deal with will not accept delayed or missing emails. This is why greylisting is not an option for a lot of us. At most, I see greylisting acceptable for noncommercial clients, if that, to whom email isn't crucial part of their

Re: How to filter these spam messages

2006-10-16 Thread David Morton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Oct 16, 2006, at 1:47 PM, Jo Rhett wrote: Logan Shaw wrote: I guess the problem with being an ISP is that there would be other ISPs who would be willing to not try to adjust their expectations and instead promise them super-speedy e-mail

Re: How to filter these spam messages

2006-10-16 Thread David Morton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Oct 16, 2006, at 2:27 PM, Simon wrote: I reviewed greylisting as a solution in the past, we couldn't accept it due to delay and I also read not all email servers will resend properly. So there is a chance few legitimate emails will never

Re: How to filter these spam messages

2006-10-16 Thread Gary V
On Oct 16, 2006, at 2:27 PM, Simon wrote: I reviewed greylisting as a solution in the past, we couldn't accept it due to delay and I also read not all email servers will resend properly. So there is a chance few legitimate emails will never get redelivered. When you are running a

Re: How to filter these spam messages

2006-10-16 Thread Simon
Why can't we simply have a new ruleset to score these short spam messages higher? -Simon On Mon, 16 Oct 2006 20:44:58 -0600, Gary V wrote: On Oct 16, 2006, at 2:27 PM, Simon wrote: I reviewed greylisting as a solution in the past, we couldn't accept it due to delay and

Re: How to filter these spam messages

2006-10-16 Thread Gary V
Why can't we simply have a new ruleset to score these short spam messages higher? -Simon I'm not good at creating rules, but these work, and should help a little: body GV_MAKE_K / how to (generate|make) 1\.5 - 3\.5k / score GV_MAKE_K 3.5 uri GEOCITIES

Re: How to filter these spam messages

2006-10-16 Thread Daryl C. W. O'Shea
Gary V wrote: body GV_MAKE_K / how to (generate|make) 1\.5 - 3\.5k / score GV_MAKE_K 3.5 uri GEOCITIES /^http:\/\/(..|www)\.geocities\.com\/+.+/i describe GEOCITIES Geocities URL scoreGEOCITIES 3.5 FWIW, if you process large quantities of mail, scoring on just the Geocities URI

How to filter these spam messages

2006-10-15 Thread Simon
Hello, I'm trying to figure out what to do to filter these spam messages. I can't seem to find a ruleset which would filter them. Perhaps I need to change something in my configuration? any help would be appreciated, thanks! Here are the latest spam I'm receiving: http://optinet.com/spam.txt

Re: How to filter these spam messages

2006-10-15 Thread Mark Samples
I have adopted the following policy, I run commercial free email. If it is unsolicited it gets blacklisted. If they want to run commercials through my email site, I will let them, provided they use a mailing list and the user can opt out. Random, unsolicited emails go in the blacklist. This

Re: How to filter these spam messages

2006-10-15 Thread Billy Huddleston
Yea, I was getting ready to post about the same kind of spam.. Very obnoxious. Anyone ideas? - Original Message - From: Simon [EMAIL PROTECTED] To: users@spamassassin.apache.org Sent: Sunday, October 15, 2006 2:29 PM Subject: How to filter these spam messages Hello, I'm trying

Re: How to filter these spam messages

2006-10-15 Thread Micke Andersson
Try Greylisting if you are admin on your own e-mail server! That will filter most of those e-mails. /Micke Simon wrote: Hello, I'm trying to figure out what to do to filter these spam messages. I can't seem to find a ruleset which would filter them. Perhaps I need to change something in my

Re: How to filter these spam messages

2006-10-15 Thread Billy Huddleston
Someone want to explain Greylisting? - Original Message - From: Micke Andersson [EMAIL PROTECTED] To: Simon [EMAIL PROTECTED] Cc: users@spamassassin.apache.org Sent: Sunday, October 15, 2006 3:50 PM Subject: Re: How to filter these spam messages Try Greylisting if you are admin

Re: How to filter these spam messages

2006-10-15 Thread jdow
From: Simon [EMAIL PROTECTED] Hello, I'm trying to figure out what to do to filter these spam messages. I can't seem to find a ruleset which would filter them. Perhaps I need to change something in my configuration? any help would be appreciated, thanks! Here are the latest spam I'm

Re: How to filter these spam messages

2006-10-15 Thread jdow
Google for it. LOTS OF information lives out there to find. - Original Message - From: Billy Huddleston [EMAIL PROTECTED] To: users@spamassassin.apache.org Sent: Sunday, October 15, 2006 12:58 Subject: Re: How to filter these spam messages Someone want to explain Greylisting

Re: How to filter these spam messages

2006-10-15 Thread Simon
What I meant to say is that, eventhough they do get filtered, these spam messages do not get scored high enough to offset threshold so they get marked as spam. I will check on greylisting, but what I was really hoping for is a ruleset which helps score these high enough so they are marked

RE: How to filter these spam messages

2006-10-15 Thread Michael Scheidell
-Original Message- From: Billy Huddleston [mailto:[EMAIL PROTECTED] Sent: Sunday, October 15, 2006 3:58 PM To: users@spamassassin.apache.org Subject: Re: How to filter these spam messages Someone want to explain Greylisting? It delays any email for up to 45 mins. If the sender

Re: How to filter these spam messages

2006-10-15 Thread jdow
(Long answer in email sent direct.) Short answer - SARE. Check the Other Rules in the side bar. Fred's rules are generally useful. And Jennifer's are timeless and useful. {^_^} - Original Message - From: Simon [EMAIL PROTECTED] What I meant to say is that, eventhough they do get

Re: How to filter these spam messages

2006-10-15 Thread jdow
From: Michael Scheidell [EMAIL PROTECTED] From: Billy Huddleston [mailto:[EMAIL PROTECTED] Someone want to explain Greylisting? It delays any email for up to 45 mins. If the sender is running a REAL server[sic] like aol or yahoo, it will retry it. Ok if you don't mind waiting a log time for

RE: How to filter these spam messages

2006-10-15 Thread R Lists06
Someone want to explain Greylisting? Here is an example that references a coupla websites http://qmail.jms1.net/scripts/jgreylist.shtml - rh -- Robert - Abba Communications Computer Internet Services (509) 624-7159 - www.abbacomm.net

Re: How to filter these spam messages

2006-10-15 Thread John Thompson
On 2006-10-15, Michael Scheidell [EMAIL PROTECTED] wrote: Billy Huddleston wrote: Someone want to explain Greylisting? It delays any email for up to 45 mins. If the sender is running a REAL server[sic] like aol or yahoo, it will retry it. Ok if you don't mind waiting a log time for

Re: How to filter these spam messages

2006-10-15 Thread Billy Huddleston
, October 15, 2006 10:59 PM Subject: Re: How to filter these spam messages On 2006-10-15, Michael Scheidell [EMAIL PROTECTED] wrote: Billy Huddleston wrote: Someone want to explain Greylisting? It delays any email for up to 45 mins. If the sender is running a REAL server[sic] like aol