This appears to be someone bouncing mail off your box. You need to turn off relaying. If you notice, the outgoing domain is being appended to your domain as a hostname (Nameserver: prizepalace44.com.heathnet...). It's failing because the host doesn't exist. This is probably a good thing because you are not likely filling up someone else's mail server. But your's is being beat to death.
<<JAV>> On Fri, 2003-03-21 at 09:35, [EMAIL PROTECTED] wrote: > Hi! > > After looking maillog, I found lots of message like this. What is this host name > lookup failure and how am I getting all these things? > > > Mar 21 20:04:46 mailhost sendmail[28291]: h2L6e1x15637: to=<[EMAIL PROTECTED]>, > delay=07:39:45, xdelay=00:00:00, mailer=esmtp, pri=26912052, > relay=prizepalace44.com.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > prizepalace44.com.healthnet.org.np.: host name lookup failure21 > 20:04:46 mailhost sendmail[28291]: h2K992n25368: to=<[EMAIL PROTECTED]>, > ctladdr=<[EMAIL PROTECTED] > (770/998), delay=1+05:10:40, xdelay=00:00:00, > mailer=esmtp, pri=27129015, relay=poptok.com.healthnet.org.np., dsn=4.0.0, > stat=Deferred: Name server: poptok.com.healthnet.org.np.: host > name lookup failure21 20:04:47 mailhost sendmail[28291]: h2L6e8x15663: to=<[EMAIL > PROTECTED]>, delay=07:39:39, xdelay=00:00:00, mailer=esmtp, pri=27182006, > relay=omi.o.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > omi.o.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: h2K6chn19399: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > > (770/998), delay=1+07:41:03, xdelay=00:00:00, mailer=esmtp, pri=27220066, > relay=nagput.dot.in.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > nagput.dot.in.healthnet.org.np.: host name lookup > failure21 20:04:47 mailhost sendmail[28291]: h2K9Srn25926: to=<[EMAIL PROTECTED]>, > ctladdr=<[EMAIL PROTECTED] > (770/998), delay=1+04:50:45, xdelay=00:00:00, > mailer=esmtp, pri=27849194, relay=merchantmail.mails....healthnet.org.np., > dsn=4.0.0, stat=Deferred: > Name server: merchantmail.mailsession.com.healthnet.org.np.: host name lookup > failure21 20:04:47 mailhost sendmail[28291]: h2K7vPn22478: to=<[EMAIL PROTECTED]>, > ctladdr=<[EMAIL PROTECTED] > (770/998), delay=1+06:22:21, xdelay=00:00:00, > mailer=esmtp, pri=28568629, > relay=prizepalace44.com.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > prizepalace44.com.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: h2K6e8n19466: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > > (770/998), delay=1+07:39:37, xdelay=00:00:00, > mailer=esmtp, pri=28658662, relay=omi.o.healthnet.org.np., dsn=4.0.0, stat=Deferred: > Name server: omi.o.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: h2K7Esn21052: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > > (770/998), delay=1+07:04:52, > xdelay=00:00:00, mailer=esmtp, pri=29594478, relay=omi.o.healthnet.org.np., > dsn=4.0.0, stat=Deferred: Name server: omi.o.healthnet.org.np.: host name lookup > failure21 20:04:47 mailhost sendmail[28291]: h2K8rAn24737: to=<[EMAIL PROTECTED]>, > ctladdr=<[EMAIL PROTECTED] > (770/998), > delay=1+05:26:35, xdelay=00:00:00, mailer=esmtp, pri=29679755, > relay=prizepalace44.com.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > prizepalace44.com.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: h2K90kn25099: to=<[EMAIL PROTECTED]>, > ctladdr=<[EMAIL PROTECTED] > (770/998), delay=1+05:19:00, xdelay=00:00:00, > mailer=esmtp, pri=30639024, relay=prizepalace44.com.healthnet.org.np., dsn=4.0.0, > stat=Deferred: Name server: prizepalace44.com.healthnet.org.np.: host name lookup > failure21 20:04:47 mailhost sendmail[28291]: > h2K9CZn25425: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > (770/998), > delay=1+05:07:10, xdelay=00:00:00, mailer=esmtp, pri=30639070, > relay=omi.o.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > omi.o.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: > h2K7fMn22026: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > (770/998), > delay=1+06:38:24, xdelay=00:00:00, mailer=esmtp, pri=31746863, > relay=xrzb.udc.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > xrzb.udc.healthnet.org.np.: host name lookup failure21 20:04:47 mailhost > sendmail[28291]: h2K7uhn22470: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED] > > (770/998), delay=1+06:23:02, xdelay=00:00:00, mailer=esmtp, pri=34449161, > relay=sbmf.relatedmail.com.healthnet.org.np., dsn=4.0.0, stat=Deferred: Name server: > sbmf.relatedmail.com.healthnet.org.np.: host name lookup failure21 20:04:49 mailhost > sendmail[28291]: h2K8VWn23840: to=<[EMAIL PROTECTED]>, delay=1+05:48:17, > xdelay=00:00:01, mailer=esmtp, pri=38312165, > relay=merchantmail.woodl....healthnet.org.np., dsn=4.0.0, > stat=Deferred: Name server: merchantmail.woodlandmail.com.healthnet.org.np.: host > name lookup failure21 20:04:51 mailhost sendmail[28291]: h2KFRDx07534: to=<[EMAIL > PROTECTED]>, ctladdr=<[EMAIL PROTECTED]> (547/999), delay=22:52:33, xdelay=00:00:02, > mailer=esmtp, pri=58805316, > relay=relay.mx.skynet.be. [195.238.3.130], dsn=4.0.0, stat=Deferred: Connection > refused by relay.mx.skynet.be.21 20:04:51 mailhost sendmail[28291]: h2KEXwN06710: > to=<[EMAIL PROTECTED]>, delay=23:25:08, xdelay=00:00:00, mailer=esmtp, pri=67982729, > relay=mail.paradigmdeals.com., dsn=4.0.0, > stat=Deferred: Connection timed out with mail.paradigmdeals.com.21 20:04:53 mailhost > sendmail[28502]: h2KBQga28732: to=<[EMAIL PROTECTED]>, delay=1+02:53:11, > xdelay=00:01:01, mailer=esmtp, pri=69151351, relay=toyrus.com. [216.102.246.27], > dsn=4.0.0, stat=Deferred: Connection timed out > with toyrus.com.21 20:04:53 mailhost sendmail[28502]: h2KEVkx06227: to=<[EMAIL > PROTECTED]>, delay=23:29:21, xdelay=00:00:00, mailer=esmtp, pri=77162731, > relay=mail.paradigmdeals.com., dsn=4.0.0, stat=Deferred: Connection timed out with > mail.paradigmdeals.com.21 20:04:59 mailhost > sendmail[28573]: h2LE1bx28175: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL PROTECTED]> > (547/999), delay=00:18:22, xdelay=00:00:35, mailer=esmtp, pri=2100788, > relay=mail-relay.optonline.net. [167.206.112.6], dsn=4.0.0, stat=Deferred: 451 4.1.8 > Domain of sender address > [EMAIL PROTECTED] does not resolve21 20:05:02 mailhost sendmail[26998]: > h2JK5Fn08657: to=<[EMAIL PROTECTED]>, delay=1+18:14:47, xdelay=00:00:46, > mailer=esmtp, pri=148174714, relay=coaler.ai.net. [63.215.143.77], dsn=4.0.0, > stat=Deferred: Connection reset by coaler.ai.net.21 20:05:06 > mailhost sendmail[26998]: h2JE7ga02798: to=<[EMAIL PROTECTED]>, delay=2+00:12:24, > xdelay=00:00:04, mailer=esmtp, pri=272011812, relay=jenny.foxymail.net. > [209.50.233.225], dsn=4.0.0, stat=Deferred: Connection refused by > jenny.foxymail.net.21 20:05:07 mailhost > sendmail[26998]: h2IJ8ga08382: to=<[EMAIL PROTECTED]>, delay=2+19:11:24, > xdelay=00:00:01, mailer=esmtp, pri=461556776, relay=stdin-mv-01.inbox-deal.com. > [206.131.243.154], dsn=4.0.0, stat=Deferred: Connection refused by > stdin-mv-01.inbox-deal.com.21 20:05:12 > mailhost sendmail[28573]: h2LE1bx28175: to=<[EMAIL PROTECTED]>, ctladdr=<[EMAIL > PROTECTED]> (547/999), delay=00:18:35, xdelay=00:00:13, mailer=esmtp, pri=2100788, > relay=relay.mx.skynet.be. [195.238.3.130], dsn=4.0.0, stat=Deferred: 451 4.1.8 > Domain of sender address > [EMAIL PROTECTED] does not resolve21 20:05:15 mailhost sendmail[28583]: > h2LEKDx28583: from=<>, size=3018, class=0, nrcpts=1, msgid=<[EMAIL PROTECTED]>, > proto=ESMTP, daemon=MTA, relay=rapti.mos.com.np [202.52.255.23]21 20:05:17 mailhost > sendmail[28585]: h2LEKDx28583: > to=<[EMAIL PROTECTED]>, delay=00:00:03, xdelay=00:00:02, mailer=ravsendmail, > pri=33018, relay=mathura<@healthnet.org.np.>, dsn=2.0.0, stat=Sent21 20:05:21 > mailhost sendmail[28589]: h2LEKLx28589: from=<[EMAIL PROTECTED]>, size=2814, > class=-60, nrcpts=2, msgid=<A37F7A70-5B5E-11D7-89AB- > [EMAIL PROTECTED]>, proto=ESMTP, daemon=MTA, relay=rapti.mos.com.np > [202.52.255.23]21 20:05:21 mailhost sendmail[28591]: h2LEKLx28589: to=<[EMAIL > PROTECTED]>, delay=00:00:00, xdelay=00:00:00, mailer=ravsendmail, pri=170814, > relay=mhp<@healthnet.org.np.>, dsn=2.0.0, stat=Sent21 20:05:21 > mailhost sendmail[28591]: h2LEKLx28589: to=<[EMAIL PROTECTED]>, delay=00:00:00, > xdelay=00:00:00, mailer=ravsendmail, pri=170814, > relay=psychopharm<@healthnet.org.np.>, dsn=2.0.0, stat=Sent > > > On 21 Mar 2003 at 9:00, Joe Polk wrote: > > > Check your maillog file for outgoing messages. This may be a sign > > you're being used as a relay. > > > > <<JAV>> > > > > On Fri, 2003-03-21 at 08:59, [EMAIL PROTECTED] wrote: > > > Hi all! > > > > > > My mailserver seems to be accessing harddisk all the time. I didn't > > > face such situtation of continously accessing harddisk in previous > > > times. > > > > > > Using ps command, I found only normal process. Using top command, I > > > found sendmail running at the top but not consuming much memory > > > (less than 1%). When using netstat -a, I found lots of connection of > > > sendmail and domain. > > > > > > What process might be using my harddisk for such a long time (nearly > > > whole day)? Is somebody trying to access my server or some program > > > is acting abnormally? > > > > > > Hoping for your help > > > > > > With Regards > > > Nabin Limbu > > > HealthNet Nepal > > > Ph : 977-1-429722 > > > > > > > > > > > > -- > > > redhat-list mailing list > > > unsubscribe > > > mailto:[EMAIL PROTECTED] > > > https://listman.redhat.com/mailman/listinfo/redhat-list > > > > > > > > > > > > -- > > redhat-list mailing list > > unsubscribe mailto:[EMAIL PROTECTED] > > https://listman.redhat.com/mailman/listinfo/redhat-list > > > With Regards > Nabin Limbu > HealthNet Nepal > Ph : 977-1-429722 > > > > -- > redhat-list mailing list > unsubscribe mailto:[EMAIL PROTECTED] > https://listman.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
