Re: Should I use greylisting

2007-02-16 Thread LuKreme
On 29-Jan-2007, at 12:24, [EMAIL PROTECTED] wrote: While I generally believe that end users should send thru a smarthost, I also think it is a bad idea to restrict them to the network provider's smarthost. They might prefer to send via their company's SMTP instead That's what port 587 (pre

Re: Should I use greylisting

2007-01-29 Thread Steve Bertrand
[EMAIL PROTECTED] wrote: I am a bit worried about blocking people with dynamic IP addresses say from their ISP, if they "inherit" an IP address recently used by an infected PC they will still be in the RBL and get blocked. Machines on dynamic IPs should not be doing direct-to-MX submission, so

RE: Should I use greylisting

2007-01-29 Thread hamann . w
>> >> >> >I am a bit worried about blocking people with dynamic IP addresses say from >> >their ISP, if they "inherit" an IP address recently used by an infected PC >> >they will still be in the RBL and get blocked. >> >> Machines on dynamic IPs should not be doing direct-to-MX submission, >> s

RE: Should I use greylisting

2007-01-29 Thread Len Conrad
I am a bit worried about blocking people with dynamic IP addresses say from their ISP, if they "inherit" an IP address recently used by an infected PC they will still be in the RBL and get blocked. Machines on dynamic IPs should not be doing direct-to-MX submission, so block their entire netw

Re: Should I use greylisting

2007-01-29 Thread Mike Jackson
Until the spammers build in retry into their bots, I'm a firm believer of greylisting. They have. I'm a sys admin at a major hosting provider, and I've seen it in action on at least one customer's box who was using greylisting. Considering spammers have near-infinite resources, it was only a m

RE: Should I use greylisting

2007-01-29 Thread Matthew Bickerton
st adds a delay, this seems better. What do you think? Thanks Matthew -Original Message- From: Mike Jackson [mailto:[EMAIL PROTECTED] Sent: 29 January 2007 13:08 To: [EMAIL PROTECTED] Subject: Re: Should I use greylisting > So in your opinion, what is the best way to reject spam

Re: Should I use greylisting

2007-01-28 Thread Ricardo Oliveira
Adding my 0.2€ to the discussion... I use qgreylist, which enables us to (if properly configured) block whole /24 networks instead of single hosts. Of course, I'm using qmail, so this is a qmail solution. I've successfully integrated greylisting with A/V scanning and SA processing in the incomi

Re: Should I use greylisting

2007-01-28 Thread Leonardo Rodrigues Magalhães
Mike Jackson escreveu: Until the spammers build in retry into their bots, I'm a firm believer of greylisting. They have. I'm a sys admin at a major hosting provider, and I've seen it in action on at least one customer's box who was using greylisting. Considering spammers have near-infinite

Re: Should I use greylisting

2007-01-27 Thread Mike Jackson
Until the spammers build in retry into their bots, I'm a firm believer of greylisting. They have. I'm a sys admin at a major hosting provider, and I've seen it in action on at least one customer's box who was using greylisting. Considering spammers have near-infinite resources, it was only a m

Re: Should I use greylisting

2007-01-26 Thread Chris Purves
Magnus Holmgren wrote: On Friday 26 January 2007 03:21, uNiXpSyChO wrote: Chris Purves wrote: Personally, I didn't like the added delay for first-time mails, which is why I chose to greylist only on blocklists, but for a minimal effort my spam was significantly reduced. Hope that helps. what

Re: Should I use greylisting

2007-01-26 Thread Jonas Eckerman
Steven W. Orr wrote: > I'm running sendmail and I want a good greylist that uses a mysql > database. My selective greylist implementation uses MySQL or SQLite, but it is implemented in a MIMEDefang filter so if you don't use MIMEDefang you might not find it useful. It's at

Re: Should I use greylisting

2007-01-26 Thread Chris St. Pierre
On Thu, 25 Jan 2007, Chris Purves wrote: Matthew Bickerton wrote: I have been thinking about implementing Greylisting. However, I am worried about blocking/long delays with e-mails from mail farms (gmail, yahoo etc.) You could compromise by greylisting based on blocklists (such as spamhau

Re: Should I use greylisting

2007-01-26 Thread tom
all the mail farms. Keeping this list up to date sounds horrid/impossible. Matthew -Original Message- From: --[ UxBoD ]-- [mailto:[EMAIL PROTECTED] Sent: 25 January 2007 12:49 To: users@spamassassin.apache.org Subject: Re: Should I use greylisting Check out http://policyd.sourceforge.

Re: Should I use greylisting

2007-01-25 Thread uNiXpSyChO
Shaun T. Erickson wrote: > Personally, I didn't like the added delay for first-time mails, which is > why I chose to greylist only on blocklists, but for a minimal effort my > spam was significantly reduced. what are you using to greylist based on blocklists? I use maRBL. The latest version l

Re: Should I use greylisting

2007-01-25 Thread Shaun T. Erickson
> Personally, I didn't like the added delay for first-time mails, which is > why I chose to greylist only on blocklists, but for a minimal effort my > spam was significantly reduced. what are you using to greylist based on blocklists? I use maRBL. The latest version lets me greylist (I use sqlg

Re: Should I use greylisting

2007-01-25 Thread Magnus Holmgren
On Friday 26 January 2007 03:21, uNiXpSyChO wrote: > Chris Purves wrote: > > Personally, I didn't like the added delay for first-time mails, which is > > why I chose to greylist only on blocklists, but for a minimal effort my > > spam was significantly reduced. > > > > Hope that helps. > > what are

Re: Should I use greylisting

2007-01-25 Thread uNiXpSyChO
Chris Purves wrote: Matthew Bickerton wrote: <...snip...> Personally, I didn't like the added delay for first-time mails, which is why I chose to greylist only on blocklists, but for a minimal effort my spam was significantly reduced. Hope that helps. what are you using to greylist ba

Re: Should I use greylisting

2007-01-25 Thread Chris Purves
Matthew Bickerton wrote: I have been thinking about implementing Greylisting. However, I am worried about blocking/long delays with e-mails from mail farms (gmail, yahoo etc.) You could compromise by greylisting based on blocklists (such as spamhaus, etc.). This would free up some resources

RE: Should I use greylisting

2007-01-25 Thread Dylan Bouterse
I am using postgrey which allows for whitelisting of address ranges, specific IPs, etc. I implemented it on the Thanksgiving weekend so it could build up it's triplet database before hitting the work week email and I've not had a single person complain. On the flip side, I very rarely see spam come

Re: Should I use greylisting

2007-01-25 Thread Chris St. Pierre
"Steven W. Orr" <[EMAIL PROTECTED]> wrote: I'm running sendmail and I want a good greylist that uses a mysql database. There are all sorts of things out there but they're not dbms based. Relaydelay (http://projects.puremagic.com/greylisting/downloads.html) is the only Sendmail greylister I kno

Re: Should I use greylisting

2007-01-25 Thread --[ UxBoD ]--
On Thu, 25 Jan 2007 11:56:47 -0500 (EST) "Steven W. Orr" <[EMAIL PROTECTED]> wrote: > On Thursday, Jan 25th 2007 at 12:49 -, quoth --[ UxBoD ]--: > > =>Check out http://policyd.sourceforge.net/ then as it allows you to > =>specify Servers/IP that should not be greylisted. Works very well. > =

Re: Should I use greylisting

2007-01-25 Thread Steven W. Orr
On Thursday, Jan 25th 2007 at 12:49 -, quoth --[ UxBoD ]--: =>Check out http://policyd.sourceforge.net/ then as it allows you to =>specify Servers/IP that should not be greylisted. Works very well. => I know this is the wrong pleace to discuss this, but since I didn't start it, I'm taking ad

Re: Should I use greylisting

2007-01-25 Thread Steven Stern
oD ]-- [mailto:[EMAIL PROTECTED] > Sent: 25 January 2007 12:49 > To: users@spamassassin.apache.org > Subject: Re: Should I use greylisting > > Check out http://policyd.sourceforge.net/ then as it allows you to > specify Servers/IP that should not be greylisted. Works very well.

Re: Should I use greylisting

2007-01-25 Thread --[ UxBoD ]--
> > -Original Message- > From: --[ UxBoD ]-- [mailto:[EMAIL PROTECTED] > Sent: 25 January 2007 12:49 > To: users@spamassassin.apache.org > Subject: Re: Should I use greylisting > > Check out http://policyd.sourceforge.net/ then as it allows you to > specify Se

RE: Should I use greylisting

2007-01-25 Thread Matthew Bickerton
: Should I use greylisting Check out http://policyd.sourceforge.net/ then as it allows you to specify Servers/IP that should not be greylisted. Works very well. On Thu, 25 Jan 2007 12:33:19 - "Matthew Bickerton" <[EMAIL PROTECTED]> wrote: > Hi, > > I am setting up a new

Re: Should I use greylisting

2007-01-25 Thread --[ UxBoD ]--
Check out http://policyd.sourceforge.net/ then as it allows you to specify Servers/IP that should not be greylisted. Works very well. On Thu, 25 Jan 2007 12:33:19 - "Matthew Bickerton" <[EMAIL PROTECTED]> wrote: > Hi, > > I am setting up a new server, so have a chance to make big changes to