Date: Wed, 6 Aug 2003 13:47:59 -0500 From: Doug Poland <doug@polands.org> To: Nicole <nicole@daemontech.com> Cc: questions@freebsd.org Subject: Re: ISPs blocking SMTP connections from dynamic IP address space Message-ID: <20030806184759.GA565@polands.org> In-Reply-To: <XFMail.030806114156.nicole@daemontech.com> References: <19175993.1060169841@[192.168.10.11]> <XFMail.030806114156.nicole@daemontech.com>
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On Wed, Aug 06, 2003 at 11:41:56AM -0700, Nicole wrote: > > Yes I too have resorted to blocking Ip's with no reverse DNS and > its amazing how many big companies can fall into this. > > As to the Dynamic Space, I also block DSL/dynamicly assigned Ip's > as I fall aware of them. (See Example below) Since some Isp's are > smart enough to identify their dynamicly allocated space it makes > it easy. So far it is extreemly rare for someone to be sending > mail directly from these DSL/dynamic spaces that anyone wanted to > recieve. > except those of us running FreeBSD SMTP servers from broadband connections with valid reverse DNS -- Regards, Doug
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