From owner-freebsd-questions Wed Apr 5 22:17:26 2000 Delivered-To: freebsd-questions@freebsd.org Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by hub.freebsd.org (Postfix) with ESMTP id 9873D37BEBA for ; Wed, 5 Apr 2000 22:17:10 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: (from grog@localhost) by freebie.lemis.com (8.9.3/8.9.0) id OAA75190; Thu, 6 Apr 2000 14:46:44 +0930 (CST) Date: Thu, 6 Apr 2000 14:46:44 +0930 From: Greg Lehey To: groggy@iname.com Cc: FreeBSD Questions Subject: Re: package + gnu answers + mail Q. Message-ID: <20000406144644.F73669@freebie.lemis.com> References: <200004060247.CAA06696@groggy.anchorage.ptialaska.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre2i In-Reply-To: <200004060247.CAA06696@groggy.anchorage.ptialaska.net> WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Please copy -questions on your replies. I don't answer private questions for free. On Thursday, 6 April 2000 at 2:47:40 +0000, groggy@iname.com wrote: >>> ps. it seems my favorite maillist and a few others these days >>> block mail originating from a server with a private IP >>> behind a proxying gateway. is there i way i can continue >>> to use my own sendmail to mail from my FBSD machine behind >>> a proxying gateway? is my only choice to use the proxies >>> mailserver to send mail? this sucks for various reasons. >>> >>> more and more my email bounces with "originating domain must exist" >>> messages. :( >> >> This problem is indicative of the general quality of ISPs nowadays. >> The only good reason not to have reverse mapping is in order to spam. >> If your ISP is too stupid to set up reverse mapping, you probably >> want to change anyway. > > what do you mean? how can my ISP reverse map my private IP numbers? > if i send from 192.168.0.26 or whatever ... They can't. But they're not the addresses that get posted, they're the ISPs address. > i don't understand why they are stupid. Because they're not sticking to the DNS conventions, and (in case you hadn't noticed) they're causing you problems as a result. Look: + > ptialaska.net + Server: freebie.lemis.com + Address: 0.0.0.0 + + ptialaska.net + origin = ns2.ptialaska.net + mail addr = dnstech.ptialaska.net + serial = 2000032701 + refresh = 10800 (3H) + retry = 3600 (1H) + expire = 604800 (1W) + minimum ttl = 14400 (4H) + ptialaska.net nameserver = ns1.ptialaska.net + ptialaska.net nameserver = ns2.ptialaska.net + ptialaska.net nameserver = ns3.ptialaska.net + ns1.ptialaska.net internet address = 209.193.30.248 + ns2.ptialaska.net internet address = 209.193.30.245 + ns3.ptialaska.net internet address = 208.151.127.1 + > 209.193.30.248 + Server: freebie.lemis.com + Address: 0.0.0.0 + + *** freebie.lemis.com can't find 209.193.30.248: Non-existent host/domain + + > 209.193.30.245 + Server: freebie.lemis.com + Address: 0.0.0.0 + + *** freebie.lemis.com can't find 209.193.30.245: Non-existent host/domain + > 208.151.127.1 + Server: freebie.lemis.com + Address: 0.0.0.0 + + *** freebie.lemis.com can't find 208.151.127.1: Non-existent host/domain Not even their name servers reverse map. Greg -- When replying to this message, please copy the original recipients. For more information, see http://www.lemis.com/questions.html Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message