Dovber Shapiro said: > On Mon, 26 Dec 2005 16:25:37 -0800 > Dovber Shapiro <[EMAIL PROTECTED]> wrote: > >> I have an old box here at work that I installed sarge on, and use an >> an >> SMTP server with postfix. I used a no-ip.org address for the >> hostname, >> because even though we have a static IP address, we do not have a >> domain registered for it. Everything seemed to be running along >> smoothly for a while but now AOL won't accept mail from my server >> because it cannot reverse DNS me according to this link: >> http://postmaster.info.aol.com/errors/421dnsnr.html >> > > sorry I should clarify > >> No-ip.org themselves were rather unhelpful. telling me >> "Unfortunatly some ISPs block incoming e-mail from mail servers on a >> dynamic IP address. At >> this time there are 3 solutions for this. You can either get a >> static >> IP address from your ISP, which may be very expensive. You may be >> able > > I have a static IP now what? >
Your T-1 provider may also provide DNS services. If so, then ask them to map the reverse DNS address to your hostname. If they won't, then set your hostname in Postfix to the reverse-resolvable address. If there is no reverse DNS ask your bandwidth provider why not. >> to use your ISPs SMTP server for outbound e-mail. Or you can >> purchase > > my T1 provider does not supply email services Then they definitely should provide in-addr.arpa DNS service. >> our Alternate-port SMTP >> (http://www.no-ip.com/services.php/mail/smtp) >> service and use us for your outbound e-mail needs." > > the port is not being blocked > >> >> So my question is, does anyone know how I can configure postfix >> properly to get around this. or to enable reverse dns through >> no-ip.org if that would help. I would start by talking to your ISP. They should be able to configure DNS so you can get mail out. -- Neil Schneider pacneil_at_linuxgeek_dot_net http://www.paccomp.com Key fingerprint = 67F0 E493 FCC0 0A8C 769B 8209 32D7 1DB1 8460 C47D "He who joyfully marches to music in rank and file has already earned my contempt. He has been given a large brain by mistake, since for him the spinal cord would surely suffice." ( Albert Einstein) -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
