Date: Thu, 07 Aug 2003 13:47:43 -0400 From: Mykroft Holmes IV <mykroft@explosive.mail.net> To: Doug Poland <doug@polands.org> Cc: questions@freebsd.org Subject: Re: ISPs blocking SMTP connections from dynamic IP address space Message-ID: <3F3290BF.8010208@explosive.mail.net> In-Reply-To: <20030807171841.GA1327@polands.org> References: <3F326499.50501@401.cx> <0D9C0182-C8F5-11D7-A4DD-0030656DD690@foolishgames.com> <20030807171841.GA1327@polands.org>
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Doug Poland wrote: > On Thu, Aug 07, 2003 at 12:34:45PM -0400, Lucas Holt wrote: > >>I do understand the counter argument about blocking ips.. but i think >>thats frustration talking. Even if ip blocking is an improvement, it >>won't stop spam. >> > > Agreed, does anyone know why requiring reverse DNS isn't "good enough"? > I've asked both AOL and Time Warner but have received no response. > > These Residential/Dynamic blocks are usually reversed. And they cause the vast majority of problems that originate in North America. Frankly, alot of people simply blacklist 24.* for this reason. If your provider's mail servers suck, and they have blocks tagged as Dynamic, and you have no other options, it's time to make a deal with someone to relay your mail for you. Adam
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