From owner-freebsd-questions Mon Mar 4 11:23:51 2002 Delivered-To: freebsd-questions@freebsd.org Received: from sage-one.net (adsl-64-219-20-209.dsl.crchtx.swbell.net [64.219.20.209]) by hub.freebsd.org (Postfix) with ESMTP id 522E537B402 for ; Mon, 4 Mar 2002 11:23:45 -0800 (PST) Received: from SAGEONE (sageone [192.168.0.5]) by sage-one.net (8.11.6/8.11.6) with SMTP id g24JNip22110 for ; Mon, 4 Mar 2002 13:23:44 -0600 (CST) (envelope-from admin@sage-one.net) Message-Id: <3.0.5.32.20020304132342.011ce1b8@mail.sage-one.net> X-Sender: admin@mail.sage-one.net X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.5 (32) Date: Mon, 04 Mar 2002 13:23:42 -0600 To: freebsd-questions@freebsd.org From: Server Admin Subject: Unknown hosts on POP3 Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG 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