On Wed, 30 Jul 2003 17:34:12 -0700 - Bill Campbell <[EMAIL PROTECTED]> wrote the following Re: Re: spam issues
>On Wed, Jul 30, 2003 at 06:15:17PM -0600, collins wrote: >... >>Unfortunately it's not comcast that will eat the bounces. In order to >>get broadband service (DSL is not offered), I have to use comcast.net (I >>don't know anything about comcast.com), and since people are so friendly >>about bulk blocking of anything they don't like, I already have one user >>list that I can neither unsubscribe from nor post to, since all mail is >>bounced. >> >>comcast.net users have no control. Fortunately, I'm not being blocked >>by any other group. It seems to me that spam filters would be a more >>friendly approach, rather than assuming that all users on the domain are >>spam. > No wonder I never saw your post. Comcast is unable to maintain control of their system, abuse is rampant. An email addy from comcast is getting more and more useless each day. >You might be surprised at who's blocking comcast, and not just with RBLs, >but router level blocks on SMTP from 12.254.0.0/16 and 172.128.0.0/10. >We're talking some major U.S. national broadband providers who've given up >on trying to get comcast/attbi to deal with their issues. > >AOL recently started block connections from any server that doesn't have >rDNS (Reverse Domain Name Service). We've been doing that here for several >months, and it has done wonders for the spam levels with few false >positives. This isn't blocking on rDNS that doesn't agree with the HELO >announcement, only hosts with no rDNS. It can be argued that anybody who's >running a legitimate mail server should at least be able to get some type >of rDNS working (and yes, I know of a local ISP here who's DSL netblocks >come from uu.net, and uu.net can't/won't delegate the rDNS to the ISP). > >Folks on this list may well argue that this shouldn't apply to them, but >for every cable/dsl use who has a clue, there are thousands who don't. The >clueless ones install Windows systems directly to their broadband >connection with no firewall/router, giving access to all the insecure >Microsoft stuff (but I repeat myself). > >Bill >-- >INTERNET: [EMAIL PROTECTED] Bill Campbell; Celestial Systems, Inc. >UUCP: camco!bill PO Box 820; 6641 E. Mercer Way >FAX: (206) 232-9186 Mercer Island, WA 98040-0820; (206) 236-1676 >URL: http://www.celestial.com/ > >We contend that for a nation to try to tax itself into prosperity is like a >man standing in a bucket and trying to lift himself up by the handle. > -- Winston Churchill >_______________________________________________ >Linux-users mailing list >[EMAIL PROTECTED] >Unsubscribe/Suspend/Etc -> >http://www.linux-sxs.org/mailman/listinfo/linux-users _______________________________________________ Linux-users mailing list [EMAIL PROTECTED] Unsubscribe/Suspend/Etc -> http://www.linux-sxs.org/mailman/listinfo/linux-users
