Date: Mon, 04 Mar 2002 13:23:42 -0600 From: Server Admin <admin@sage-one.net> To: freebsd-questions@freebsd.org Subject: Unknown hosts on POP3 Message-ID: <3.0.5.32.20020304132342.011ce1b8@mail.sage-one.net>
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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
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