Date: Mon, 04 Mar 2002 12:12:26 -0800 From: Michael Smith <mksmith@noanet.net> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Unknown hosts on POP3 Message-ID: <B8A9152A.45C6%mksmith@noanet.net> In-Reply-To: <3.0.5.32.20020304132342.011ce1b8@mail.sage-one.net>
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You can't look up the IP address and resolve it to a name. Server: hydra.noanet.net Address: 66.119.192.1 *** hydra.noanet.net can't find 213.156.144.200: Non-existent host/domain Mike On 3/4/02 11:23 AM, "Server Admin" <admin@sage-one.net> espoused: > Recently configured sendmail and POP3 (qpopper). Seems to be working okay > for the most part except the logs keep showing the errors below and > wondered what more I need to do to configure things to eliminate the > errors...??? I know the host (a friendly ISP) and he is using an email > account on this server. Is it a reverse DNS problem perhaps? The same ocurs > from another ISP he uses to access/send the mails. It's a couple of Russian > ISPs that he uses and he is a member of our staff and a user on the > server.... also, thought maybe his ISPs were blocking the reverse DNS...? > > ...any ideas, please...?? > > Mar 4 03:06:56 sage-one popper[18931]: (v2.53) Unable to get canonical > name of client 213.156.144.200: Unknown host > Mar 4 06:46:24 sage-one popper[20033]: (v2.53) Unable to get canonical > name of client 213.156.144.204: Unknown host > Mar 4 07:45:38 sage-one popper[20308]: (v2.53) Unable to get canonical > name of client 213.156.144.196: Unknown host > Mar 4 08:42:40 sage-one popper[20594]: (v2.53) Unable to get canonical > name of client 213.156.144.203: Unknown host > > .... our website: http://www.sage-one.net/ > > Best regards, > > Jack L. Stone > Server Admin > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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