Re: Misguided SPAM Filtering techniques

2007-10-21 Thread Nathan Ward
On 21/10/2007, at 7:22 PM, Adrian Chadd wrote: On Sun, Oct 21, 2007, Nathan Ward wrote: Blocking 25/TCP is acceptable, blocking 587/TCP is not - it is designed for mail submission to an MSA, so serves little use for spam, save when a spammer has detected an open mail relay listening on

Re: OT: Remebering Abha Ahuja - 6 years

2007-10-21 Thread Phil Regnauld
Jim Popovitch (yahoo) writes: If there can be weeks long discussions on 240/4 or ipv6, 240/4 and ipv6 is on topic. why not at least a day or two of remembrances from everyone on what Abha did for the community as well as ways she might have helped you? Because Abha would

Re: Misguided SPAM Filtering techniques

2007-10-21 Thread Dave Pooser
If something comes that is not whitelisted then email is sent back asking you to confirm that it is not spam. I received one of these confirmation requests for a piece of spam that I did not send out. Whenever I get one of those, I go ahead and confirm the message so the spam gets through to

Re: Misguided SPAM Filtering techniques

2007-10-21 Thread Sean Donelan
On Sun, 21 Oct 2007, Gaurab Raj Upadhaya wrote: It's not just mail. These days the mantra seems to be only allow port 80 and 443 through, the users don't need anything else. specially in situations you cite (public wifi, hotel nets etc.). In these cases, i believe even ssh won't go through.

Re: Misguided SPAM Filtering techniques

2007-10-21 Thread William Herrin
On 10/21/07, D'Arcy J.M. Cain [EMAIL PROTECTED] wrote: If something comes that is not whitelisted then email is sent back asking you to confirm that it is not spam. I received one of these confirmation requests for a piece of spam that I did not send out. I complained to them that this was

Re: Can P2P applications learn to play fair on networks?

2007-10-21 Thread James Hess
Possible scenario... Subscriber bandwidth caps are in theory too high, if the ISP can't support it -- but if the ISP were to lower them, the competition's service would look better, advertising the larger supposed data rate -- plus the cap reduction would hurt polite users. In the absence of

Re: Misguided SPAM Filtering techniques

2007-10-21 Thread Suresh Ramasubramanian
On 10/22/07, William Herrin [EMAIL PROTECTED] wrote: Do you publish SPF records so that remote sites can detect forgeries claiming to be from your domain? In other words Do you play russian roulette with your email? John Levine's got something really good on this at