Re: Greylisting -- Was: Anti Spam

2007-05-04 Thread Christopher Hilton
Ted Mittelstaedt wrote: -Original Message- From: Bart Silverstrim [mailto:[EMAIL PROTECTED] [snip] Like I said...if it taxes their resources even one tenth of one percent, I'm for it. It's not their resources, it's the resources they have stolen from other people by breaking into

RE: Greylisting -- Was: Anti Spam

2007-05-02 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Wednesday, May 02, 2007 6:01 AM > To: Ted Mittelstaedt > Cc: John Levine; freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam > > > I would disagree on the

RE: Greylisting -- Was: Anti Spam

2007-05-02 Thread John L
NO. I'm making it sound like greylisting is NOT the world's answer to stopping spam. It's NOT a miracle cure, it is NOT the last, best hope for peace. Sigh. You might want to read the paper "Experiences with Greylisting" from the 2005 CEAS conference. It was my original intention to show t

Re: Greylisting -- Was: Anti Spam

2007-05-02 Thread Bart Silverstrim
Ted Mittelstaedt wrote: -Original Message- From: Bart Silverstrim [mailto:[EMAIL PROTECTED] Sent: Monday, April 30, 2007 12:08 PM To: Ted Mittelstaedt Cc: John Levine; freebsd-questions@freebsd.org Subject: Re: Greylisting -- Was: Anti Spam You're making it sound as if greylisti

RE: Greylisting -- Was: Anti Spam

2007-05-02 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Monday, April 30, 2007 12:08 PM > To: Ted Mittelstaedt > Cc: John Levine; freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam > > > You're making

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread Bart Silverstrim
On Apr 30, 2007, at 6:19 AM, cpghost wrote: On Mon, Apr 30, 2007 at 01:16:23AM -0700, Ted Mittelstaedt wrote: The system that would cause problems if it ran greylisting is not MY system. It's the mailserver owned by the cellular company that I am sending to. If they went and installed g

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread Bart Silverstrim
On Apr 30, 2007, at 4:36 AM, Ted Mittelstaedt wrote: I don't understand why people are focusing on trying to redesign the monitoring system I'm using. Don't you have any imagination at all? The point was that there are legitimate situations where the delays introduced by greylisting are a pr

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread John Levine
>Cellular operators know that their clients expect speedy >delivery of SMS, including those sent via SMTP. Actually, in my experience SMTP to SMS gateways can have significant delays unrelated to greylisting. Travel agencies like Orbitz send out notices about flight changes and delays via SMTP->S

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread Bart Silverstrim
Ted Mittelstaedt wrote: Ted, usually I find your posts intelligent and food for thought, but I almost think you're doing this on purpose now. No, the problem is you haven't understood the point I was making. Here's the summary as I understand it. You're against greylisting because: a) it'

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread Bart Silverstrim
Ted Mittelstaedt wrote: -Original Message- From: Bart Silverstrim [mailto:[EMAIL PROTECTED] Sent: Saturday, April 28, 2007 5:05 PM To: Ted Mittelstaedt Cc: Christopher Hilton; User Questions Subject: Re: Greylisting -- Was: Anti Spam Both of those are assumptions your making that are

Re: Greylisting -- Was: Anti Spam

2007-04-30 Thread cpghost
On Mon, Apr 30, 2007 at 01:16:23AM -0700, Ted Mittelstaedt wrote: > The system that would cause problems if it ran > greylisting is not MY system. It's the mailserver owned by the cellular > company that I am sending to. If they went and installed greylisting > it is highly unlikely I could get

RE: Greylisting -- Was: Anti Spam

2007-04-30 Thread Ted Mittelstaedt
> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Kenny Dail > Sent: Sunday, April 29, 2007 8:18 PM > To: freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam > > > > > I'm monitoring system

RE: Greylisting -- Was: Anti Spam

2007-04-30 Thread Ted Mittelstaedt
> -Original Message- > From: John Levine [mailto:[EMAIL PROTECTED] > Sent: Sunday, April 29, 2007 6:31 AM > To: freebsd-questions@freebsd.org > Cc: [EMAIL PROTECTED] > Subject: Re: Greylisting -- Was: Anti Spam > > > >> Email is not an instant messagi

RE: Greylisting -- Was: Anti Spam

2007-04-30 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Sunday, April 29, 2007 3:40 AM > To: Ted Mittelstaedt > Cc: Eric Crist; Grant Peel; Christopher Hilton; > freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam >

RE: Greylisting -- Was: Anti Spam

2007-04-29 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Saturday, April 28, 2007 5:05 PM > To: Ted Mittelstaedt > Cc: Christopher Hilton; User Questions > Subject: Re: Greylisting -- Was: Anti Spam > > > > > > Both of those

Re: Greylisting -- Was: Anti Spam

2007-04-29 Thread Kenny Dail
> > I'm monitoring systems at the ISP I work at. No, it is not life or > > death > > if a feed goes down for 3 hours and a bunch of people cannot download > > their daily freebsd-questions mailing list fix. At least, I don't > > think > > so. But they do. And as their money that buys the IS

Re: Greylisting -- Was: Anti Spam

2007-04-29 Thread Bart Silverstrim
On Apr 29, 2007, at 4:45 AM, Ted Mittelstaedt wrote: -Original Message- From: Sam Lawrance [mailto:[EMAIL PROTECTED] Sent: Saturday, April 28, 2007 2:59 AM To: Ted Mittelstaedt Cc: freebsd-questions@freebsd.org Subject: Re: Greylisting -- Was: Anti Spam Email is not an instant

Re: Greylisting -- Was: Anti Spam

2007-04-29 Thread John Levine
>> Email is not an instant messaging system, no matter how much you want >> it to be one. > >Cell phone companies won't take pages any other way no matter how much you >want them to. This might be a good time to learn about outfits like clickatell.com that provide SMS gateway service. They char

Re: Greylisting -- Was: Anti Spam

2007-04-29 Thread Eric Crist
On Apr 29, 2007, at 4:00 AMApr 29, 2007, Ted Mittelstaedt wrote: If the monitoring system notices something down, I have to know about it within a few minutes. I cannot wait for the mailserver that sends the page out to retry sending the page to the cell carrier's mailserver in an hour. Thi

Re: Greylisting -- Was: Anti Spam

2007-04-29 Thread Bart Silverstrim
: Re: Greylisting -- Was: Anti Spam On Apr 26, 2007, at 12:15 AM, Ted Mittelstaedt wrote: There are legitimate technical reasons that someone may want their mail to not be greylisted. For example, my cell phone's e-mail address is in our monitoring scripts to page me in the event of a s

RE: Greylisting -- Was: Anti Spam

2007-04-29 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Saturday, April 28, 2007 5:01 PM > To: Ted Mittelstaedt > Cc: Eric Crist; Grant Peel; Christopher Hilton; > freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam

RE: Greylisting -- Was: Anti Spam

2007-04-29 Thread Ted Mittelstaedt
> -Original Message- > From: Sam Lawrance [mailto:[EMAIL PROTECTED] > Sent: Saturday, April 28, 2007 2:59 AM > To: Ted Mittelstaedt > Cc: freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam > > > > Email is not an instant messaging

Re: Greylisting -- Was: Anti Spam

2007-04-28 Thread Bart Silverstrim
-- Was: Anti Spam On Apr 26, 2007, at 12:15 AM, Ted Mittelstaedt wrote: There are legitimate technical reasons that someone may want their mail to not be greylisted. For example, my cell phone's e-mail address is in our monitoring scripts to page me in the event of a server failur

Re: Greylisting -- Was: Anti Spam

2007-04-28 Thread Bart Silverstrim
On Apr 28, 2007, at 5:29 AM, Ted Mittelstaedt wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Christopher Hilton Sent: Friday, April 27, 2007 2:45 PM To: Ted Mittelstaedt Cc: User Questions Subject: Re: Greylisting -- Was: Anti Spam Ted

Re: Greylisting -- Was: Anti Spam

2007-04-28 Thread Sam Lawrance
-- Was: Anti Spam On Apr 26, 2007, at 12:15 AM, Ted Mittelstaedt wrote: There are legitimate technical reasons that someone may want their mail to not be greylisted. For example, my cell phone's e-mail address is in our monitoring scripts to page me in the event of a server failure. I

RE: Greylisting -- Was: Anti Spam

2007-04-28 Thread Ted Mittelstaedt
> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Christopher > Hilton > Sent: Friday, April 27, 2007 2:45 PM > To: Ted Mittelstaedt > Cc: User Questions > Subject: Re: Greylisting -- Was: Anti Spam > > > Ted Mittelstaed

RE: Greylisting -- Was: Anti Spam

2007-04-28 Thread Ted Mittelstaedt
> -Original Message- > From: Bart Silverstrim [mailto:[EMAIL PROTECTED] > Sent: Friday, April 27, 2007 1:58 PM > To: Ted Mittelstaedt > Cc: Christopher Hilton; Grant Peel; Eric Crist; > freebsd-questions@freebsd.org > Subject: Re: Greylisting -- Was: Anti Spam > &

Re: Greylisting -- Was: Anti Spam

2007-04-27 Thread Christopher Hilton
Ted Mittelstaedt wrote: [snip] When I scan my maillogs I find that 22% of the hosts that generate a greylisting entry retry the mail delivery and thus get whitelisted. The other 78% don't attempt redelivery within the greylisting window. That's probably par. However, the reason your putting

Re: Greylisting -- Was: Anti Spam

2007-04-27 Thread Bart Silverstrim
On Apr 26, 2007, at 12:15 AM, Ted Mittelstaedt wrote: There are legitimate technical reasons that someone may want their mail to not be greylisted. For example, my cell phone's e-mail address is in our monitoring scripts to page me in the event of a server failure. I would be pretty pissed o

RE: Greylisting -- Was: Anti Spam

2007-04-27 Thread Ted Mittelstaedt
> -Original Message- > From: Christopher Sean Hilton [mailto:[EMAIL PROTECTED] > Sent: Thursday, April 26, 2007 9:05 AM > To: Ted Mittelstaedt; User Questions > Subject: Re: Greylisting -- Was: Anti Spam > > > Ted Mittelstaedt wrote: > > [snip...] > &g

Re: Greylisting -- Was: Anti Spam

2007-04-26 Thread Christopher Sean Hilton
Ted Mittelstaedt wrote: [snip...] Greylisting works because many, and I'd like to say most, spam programs never retry message delivery. Actually, no. Greylisting works because it delays the spam injector long enough that the injector will get blacklisted by the time that the greylist opens t

RE: Greylisting -- Was: Anti Spam

2007-04-25 Thread Ted Mittelstaedt
> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Christopher > Hilton > Sent: Wednesday, April 25, 2007 3:25 PM > To: Grant Peel > Cc: Eric Crist; freebsd-questions@freebsd.org > Subject: Greylisting -- Was: Anti Spam > > > Just my $0.02. Have you consi