What makes you think you have a problem? The logs show nothing out of the ordinary. If you mean the NULL sender addresses <>, these can be perfectly legal (for instance for bounce messages). Based on the log entries you posted, it's hard to tell.
ok... this is a portion of my today's log. As you can see, before a line with "from=<>" there are one before whith a tentative of a non-existent user. the pattern is to strong... for be just only bounced messages: smtp:/var/log # cat mail Jun 26 15:10:07 smtp sendmail[18532]: ruleset=check_relay, arg1=omr-m01.mx.aol.com, arg2=64.12.138.1, relay= omr-m01.mx.aol.com [64.12.138.1], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:11:46 smtp sendmail[18633]: ruleset=check_relay, arg1=mc7-s15.law1.hotmail.com, arg2=65.54.251.155 , relay=mc7-s15.law1.hotmail.com [65.54.251.155] (may be forged), reject=553 5.3.0 see http://www.blars.org/ errors/block.html Jun 26 15:11:46 smtp sendmail[18686]: ruleset=check_relay, arg1=n14.grp.scd.yahoo.com, arg2=66.218.66.69, re lay=n14.grp.scd.yahoo.com [66.218.66.69], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:11:57 smtp sendmail[18687]: h5QEBvrm018687: from=<Maria.Lurdes.Castro.Sousa@ccr-c.pt>, size=209172 , class=0, nrcpts=1, msgid=<5.1.0.14.2.20030626150540.00ab1440@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, rela y=[192.168.5.51] Jun 26 15:11:57 smtp amavis[18689]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:11:58 smtp amavis[18689]: do_exit:832 - ending execution with 0 Jun 26 15:11:58 smtp sendmail[18687]: h5QEBvrm018687: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:12:01 smtp sendmail[18695]: h5QEBvrm018687: to=<mjfig@ci.uc.pt>, delay=00:00:04, xdelay=00:00:03, mailer=esmtp, pri=120395, relay=smtp.ci.uc.pt. [193.136.200.62], dsn=2.0.0, stat=Sent (Ok: queued as 85EE815 754D) Jun 26 15:12:19 smtp sendmail[18777]: h5QECIrl018777: from=<>, size=5175, class=0, nrcpts=1, msgid=<0HH300E5 FDLLOZ@mstore2.iol.pt>, proto=ESMTP, daemon=MSA, relay=customer-240-190.lsb.net.KPNQwest.pt [193.126.240.190 ] Jun 26 15:12:20 smtp amavis[18779]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:12:20 smtp amavis[18779]: do_exit:832 - ending execution with 0 Jun 26 15:12:20 smtp sendmail[18777]: h5QECIrl018777: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:12:20 smtp sendmail[18784]: h5QECIrl018777: to=<pmanso@ccr-c.pt>, delay=00:00:01, xdelay=00:00:00, mailer=local, pri=35458, dsn=2.0.0, stat=Sent Jun 26 15:13:16 smtp sendmail[19574]: h5QECnrl019574: from=<JLapa@abrantina.pt>, size=2092, class=0, nrcpts= 1, msgid=<D9A3DA42D838C648BC33047111EB29E104B6A0@marte>, proto=ESMTP, daemon=MSA, relay=mail2.abrantina.pt [ 62.48.167.162] (may be forged) Jun 26 15:13:17 smtp amavis[24339]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:13:17 smtp amavis[24339]: do_exit:832 - ending execution with 0 Jun 26 15:13:17 smtp sendmail[19574]: h5QECnrl019574: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:13:17 smtp sendmail[24453]: h5QECnrl019574: to=<marta@ccr-c.pt>, delay=00:00:09, xdelay=00:00:00, mailer=local, pri=32371, dsn=2.0.0, stat=Sent Jun 26 15:13:19 smtp popper[24588]: Stats: pmelo 0 0 0 0 192.168.100.14 192.168.100.14 [pop_updt.c:296] Jun 26 15:13:23 smtp sendmail[24455]: h5QEDKrl024455: from=<c.browne@vam.ac.uk>, size=919, class=0, nrcpts=1 , msgid=<sefb0c39.054@vammail.vam.ac.uk>, proto=SMTP, daemon=MSA, relay=vammail.vam.ac.uk [193.62.208.129] Jun 26 15:13:24 smtp amavis[25141]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:13:24 smtp amavis[25141]: do_exit:832 - ending execution with 0 Jun 26 15:13:24 smtp sendmail[24455]: h5QEDKrl024455: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:14:06 smtp sendmail[30280]: h5QEE4rl030280: <dpdrc@ccr-c.pt>... User unknown Jun 26 15:14:06 smtp sendmail[30280]: h5QEE4rl030280: from=<assuncao@srsguarda.min-saude.pt>, size=55458, cl ass=0, nrcpts=0, bodytype=8BITMIME, proto=ESMTP, daemon=MSA, relay=host-17.min-saude.pt [194.65.151.17] Jun 26 15:14:25 smtp sendmail[18469]: h5QE8krl018469: collect: premature EOM: Connection reset by [159.213.1 00.253] Jun 26 15:14:26 smtp sendmail[18469]: h5QE8krl018469: SYSERR(root): collect: I/O error on connection from [1 59.213.100.253], from=<a.mazzoni@consiglio.regione.toscana.it> Jun 26 15:14:26 smtp sendmail[18469]: h5QE8krl018469: from=<a.mazzoni@consiglio.regione.toscana.it>, size=56 720, class=0, nrcpts=1, proto=ESMTP, daemon=MSA, relay=[159.213.100.253] Jun 26 15:15:08 smtp sendmail[32428]: h5QEF5rl032428: <g_davenportbs@ccr-c.pt>... User unknown Jun 26 15:15:08 smtp sendmail[32428]: h5QEF5rl032428: from=<>, size=2575, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=ausxndrpc101.aus.amer.dell.com [143.166.216.70] (may be forged) Jun 26 15:15:31 smtp sendmail[32538]: h5QEFPrl032538: from=<macorreia43@hotmail.com>, size=129459, class=0, nrcpts=1, msgid=<Law15-F196PYzDabigP000070aa@hotmail.com>, proto=ESMTP, daemon=MSA, relay=law15-f19.law15.ho tmail.com [64.4.23.19] Jun 26 15:15:31 smtp amavis[32542]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:15:32 smtp amavis[32542]: do_exit:832 - ending execution with 0 Jun 26 15:15:32 smtp sendmail[32538]: h5QEFPrl032538: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:15:32 smtp sendmail[32549]: h5QEFPrl032538: to=vf1022, delay=00:00:04, xdelay=00:00:00, mailer=loc al, pri=159743, dsn=2.0.0, stat=Sent Jun 26 15:15:40 smtp sendmail[32551]: h5QEFdrl032551: <latkinsiu@ccr-c.pt>... User unknown Jun 26 15:15:40 smtp sendmail[32551]: h5QEFdrl032551: from=<>, size=4108, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=mailout11.sul.t-online.com [194.25.134.85] JJun 26 15:16:08 smtp sendmail[32557]: ruleset=check_relay, arg1=llca097.servidoresdns.net, arg2=217.76.128.7 5, relay=llca097.servidoresdns.net [217.76.128.75], reject=553 5.3.0 see http://www.blars.org/errors/block.h tml Jun 26 15:16:18 smtp sendmail[32559]: h5QEGGrl032559: <s.puckett_fw@ccr-c.pt>... User unknown Jun 26 15:16:18 smtp sendmail[32559]: h5QEGGrl032559: from=<>, size=3139, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=[207.99.126.139] Jun 26 15:16:23 smtp sendmail[32561]: h5QEGNrm032561: from=<luis.filipe@ccr-c.pt>, size=1253, class=0, nrcpt s=1, msgid=<5.1.0.14.2.20030626150909.00aef980@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=[192.168.4.63] Jun 26 15:16:23 smtp amavis[32563]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:16:23 smtp amavis[32563]: do_exit:832 - ending execution with 0 Jun 26 15:16:23 smtp sendmail[32561]: h5QEGNrm032561: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:16:24 smtp sendmail[32567]: h5QEGNrm032561: to=<sopertec-centro@sopertec.pt>, delay=00:00:01, xdel ay=00:00:00, mailer=esmtp, pri=120517, relay=smtp.net.vodafone.pt. [212.18.160.142], dsn=2.0.0, stat=Sent (O k.) Jun 26 15:16:44 smtp sendmail[32571]: h5QEGarm032571: <arlinepaigerf@ccr-c.pt>... User unknown Jun 26 15:17:02 smtp sendmail[32574]: h5QEGrrl032574: <glennar.bonner_tg@ccr-c.pt>... User unknown Jun 26 15:17:02 smtp sendmail[32574]: h5QEGrrl032574: from=<>, size=1789, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=gatekeeper.datatel.com [205.231.22.252] Jun 26 15:17:03 smtp sendmail[32575]: h5QEGurl032575: <cliftongilliamor@ccr-c.pt>... User unknown Jun 26 15:17:04 smtp sendmail[32575]: h5QEGurl032575: from=<>, size=4278, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=m1.dnx.net [65.192.199.14] JJun 26 15:17:22 smtp sendmail[32581]: h5QEHMrm032581: from=<luis.filipe@ccr-c.pt>, size=4072, class=0, nrcpt s=1, msgid=<5.1.0.14.2.20030626151028.00aeb440@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=[192.168.4.63] Jun 26 15:17:22 smtp sendmail[32571]: h5QEGarm032571: from=<Symantec_AntiVirus_for_SMTP_Gateways@tmac.com>, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MSA, relay=symantec.tmac.com [192.206.250.65] Jun 26 15:17:22 smtp amavis[32584]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:17:22 smtp amavis[32584]: do_exit:832 - ending execution with 0 Jun 26 15:17:23 smtp sendmail[32581]: h5QEHMrm032581: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:17:24 smtp sendmail[32583]: ruleset=check_relay, arg1=n13.grp.scd.yahoo.com, arg2=66.218.66.68, re lay=n13.grp.scd.yahoo.com [66.218.66.68], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:17:25 smtp sendmail[32588]: h5QEHMrm032581: to=<feucomm@yahoogrupos.com.br>, delay=00:00:03, xdela y=00:00:02, mailer=esmtp, pri=120480, relay=mta2.grp.scd.yahoo.com. [66.218.66.217], dsn=2.0.0, stat=Sent (o k 1056636705 qp 55280) Jun 26 15:17:30 smtp sendmail[32589]: ruleset=check_relay, arg1=n34.grp.scd.yahoo.com, arg2=66.218.66.102, r elay=n34.grp.scd.yahoo.com [66.218.66.102], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:18:48 smtp sendmail[32600]: h5QEIkrl032600: <randalljimenez_tz@ccr-c.pt>... User unknown Jun 26 15:18:48 smtp sendmail[32600]: h5QEIkrl032600: from=<>, size=4384, class=0, nrcpts=0, proto=ESMTP, da emon=MSA, relay=rsunx.crn.cogs.susx.ac.uk [139.184.48.12] JJun 26 15:19:43 smtp sendmail[32633]: starting daemon (8.12.3): SMTP+queueing@00:30:00 Jun 26 15:19:43 smtp sendmail-client[32637]: starting daemon (8.12.3): queueing@00:30:00 Jun 26 15:19:45 smtp sendmail[32661]: starting daemon (8.12.3): SMTP+queueing@00:30:00 Jun 26 15:19:45 smtp sendmail-client[32665]: starting daemon (8.12.3): queueing@00:30:00 Jun 26 15:20:06 smtp sendmail[32669]: h5QEJsq7032669: smtp.ccr-c.pt [10.1.3.3] did not issue MAIL/EXPN/VRFY/ ETRN during connection to MSA Jun 26 15:20:40 smtp sendmail[32682]: ruleset=check_relay, arg1=n36.grp.scd.yahoo.com, arg2=66.218.66.104, r elay=n36.grp.scd.yahoo.com [66.218.66.104], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:20:41 smtp sendmail[32683]: ruleset=check_relay, arg1=[194.65.115.18], arg2=194.65.115.18, relay=[ 194.65.115.18], reject=553 5.3.0 Rejected by SPAM filter - see http://relays.osirusoft.com/ Jun 26 15:21:41 smtp sendmail[32700]: h5QELaq7032700: from=<psilva@metromondego.pt>, size=2982, class=0, nrc pts=3, msgid=<GLEBKPIJICCAPCFKLOHEMEIKDFAA.psilva@metromondego.pt>, bodytype=8BITMIME, proto=ESMTP, daemon=M SA, relay=server1.interacesso.pt [212.13.36.243] Jun 26 15:21:42 smtp amavis[32702]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:21:42 smtp amavis[32702]: do_exit:832 - ending execution with 0 Jun 26 15:21:42 smtp sendmail[32700]: h5QELaq7032700: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:21:42 smtp sendmail[32705]: h5QELaq7032700: to=lf1010, delay=00:00:01, xdelay=00:00:00, mailer=loc al, pri=93229, dsn=2.0.0, stat=Sent Jun 26 15:21:42 smtp sendmail[32705]: h5QELaq7032700: to=ms1011, delay=00:00:01, xdelay=00:00:00, mailer=loc al, pri=93229, dsn=2.0.0, stat=Sent Jun 26 15:21:42 smtp sendmail[32705]: h5QELaq7032700: to=rp1018, delay=00:00:01, xdelay=00:00:00, mailer=loc al, pri=93229, dsn=2.0.0, stat=Sent Jun 26 15:21:44 smtp popper[32709]: (v4.0.3) Unable to get canonical name of client 192.168.2.73: Unknown ho st (1) [pop_init.c:1054] Jun 26 15:21:57 smtp sendmail[32711]: h5QELvq8032711: from=<Margarida.Franca@ccr-c.pt>, size=1033, class=0, nrcpts=1, msgid=<5.1.0.14.2.20030626151405.00a78850@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=[192.168. 2.56] Jun 26 15:21:58 smtp amavis[32713]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:21:58 smtp amavis[32713]: do_exit:832 - ending execution with 0 Jun 26 15:21:58 smtp sendmail[32711]: h5QELvq8032711: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:22:00 smtp sendmail[32717]: h5QELvq8032711: to=<clarasantos@hotmail.com>, delay=00:00:03, xdelay=0 0:00:02, mailer=esmtp, pri=120391, relay=mx1.hotmail.com. [65.54.166.99], dsn=2.0.0, stat=Sent ( <5.1.0.14.2 .20030626151405.00a78850@mail.ccr-c.pt> Queued mail for delivery) Jun 26 15:24:52 smtp sendmail[32737]: h5QEOpq8032737: from=<Ana.Pires@ccr-c.pt>, size=1332, class=0, nrcpts= 1, msgid=<5.1.0.14.2.20030626151735.00a92920@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=[192.168.2.73] Jun 26 15:24:52 smtp amavis[32739]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:24:52 smtp amavis[32739]: do_exit:832 - ending execution with 0 Jun 26 15:24:52 smtp sendmail[32737]: h5QEOpq8032737: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:24:55 smtp sendmail[32743]: h5QEOpq8032737: to=<clara.pires@verizon.net>, delay=00:00:03, xdelay=0 0:00:03, mailer=esmtp, pri=120430, relay=relay.verizon.net. [206.46.170.12], dsn=2.0.0, stat=Sent (Message r eceived: 20030626141914.MKQM29366.mta008.verizon.net@smtp.ccr-c.pt) Jun 26 15:25:40 smtp sendmail[32748]: h5QEPPq7032748: from=<cantunes@inescc.pt>, size=93093, class=0, nrcpts =1, msgid=<3EFAFE9F.5010500@inescc.pt>, proto=ESMTP, daemon=MSA, relay=pombo.inescc.pt [193.137.103.1] Jun 26 15:25:41 smtp amavis[32751]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:25:41 smtp amavis[32751]: do_exit:832 - ending execution with 0 Jun 26 15:25:41 smtp sendmail[32748]: h5QEPPq7032748: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:25:41 smtp sendmail[32755]: h5QEPPq7032748: to=as0023, delay=00:00:14, xdelay=00:00:00, mailer=loc al, pri=123356, dsn=2.0.0, stat=Sent Jun 26 15:25:53 smtp popper[32757]: (v4.0.3) Unable to get canonical name of client 192.168.5.55: Unknown ho st (1) [pop_init.c:1054] Jun 26 15:26:12 smtp sendmail[32759]: ruleset=check_relay, arg1=server.equal.mts.gov.pt, arg2=195.22.29.42, relay=server.equal.mts.gov.pt [195.22.29.42], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:26:30 smtp popper[32760]: (v4.0.3) Unable to get canonical name of client 192.168.2.96: Unknown ho st (1) [pop_init.c:1054] Jun 26 15:26:55 smtp sendmail[32761]: ruleset=check_relay, arg1=omr-m11.mx.aol.com, arg2=64.12.138.23, relay =omr-m11.mx.aol.com [64.12.138.23], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:27:12 smtp popper[32763]: (v4.0.3) Unable to get canonical name of client 192.168.13.3: Unknown ho st (1) [pop_init.c:1054] Jun 26 15:27:41 smtp sendmail[32765]: h5QERYq7032765: from=<a.m.campos@iol.pt>, size=400929, class=0, nrcpts =1, msgid=<786833783e3d.783e3d786833@iol.pt>, bodytype=8BITMIME, proto=ESMTP, daemon=MSA, relay=customer-240 -190.lsb.net.KPNQwest.pt [193.126.240.190] Jun 26 15:27:42 smtp amavis[32767]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:27:42 smtp amavis[32767]: do_exit:832 - ending execution with 0 Jun 26 15:27:42 smtp sendmail[32765]: h5QERYq7032765: Milter add: header: X-Virus-Scanned: by amavis-milter (http://amavis.org/) Jun 26 15:27:42 smtp sendmail[303]: h5QERYq7032765: to=ms0032, delay=00:00:05, xdelay=00:00:00, mailer=local , pri=431227, dsn=2.0.0, stat=Sent Jun 26 15:27:54 smtp sendmail[305]: h5QERoq7000305: <emile_wilkerson_rh@ccr-c.pt>... User unknown Jun 26 15:27:54 smtp sendmail[305]: h5QERoq7000305: from=<>, size=4299, class=0, nrcpts=0, proto=ESMTP, daem on=MSA, relay=smtpny4.vnuusa.com [63.251.31.41] Jun 26 15:27:54 smtp sendmail[308]: h5QERsq8000308: from=<fcsacadu@ccr-c.pt>, size=2119, class=0, nrcpts=1, msgid=<5.1.0.14.2.20030626151254.009e21b0@mail.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=[192.168.7.7] Jun 26 15:27:55 smtp amavis[310]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:27:55 smtp amavis[310]: do_exit:832 - ending execution with 0 Jun 26 15:27:55 smtp sendmail[308]: h5QERsq8000308: Milter add: header: X-Virus-Scanned: by amavis-milter (h ttp://amavis.org/) Jun 26 15:27:56 smtp sendmail[315]: h5QERsq8000308: to=<pedro.cardoso@iambiente.pt>, ctladdr=<fcsacadu@ccr-c .pt> (604/100), delay=00:00:02, xdelay=00:00:01, mailer=esmtp, pri=120428, relay=urano.dga.min-amb.pt. [194. 79.68.1], dsn=2.0.0, stat=Sent (Ok.) Jun 26 15:28:41 smtp sendmail[321]: ruleset=check_relay, arg1=tybclbsmtpa01.listbuilder.com, arg2=204.71.191 .27, relay=tybclbsmtpa01.listbuilder.com [204.71.191.27], reject=553 5.3.0 Rejected by SPAM filter - see htt p://relays.osirusoft.com/ Jun 26 15:28:49 smtp sendmail[322]: ruleset=check_relay, arg1=calvin.oninet, arg2=195.245.128.9, relay=calvi n.oninet [195.245.128.9] (may be forged), reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:28:54 smtp sendmail[324]: h5QESpq7000324: from=<av_sic_pmsantos@lojadocidadao.pt>, size=1323, clas s=0, nrcpts=1, msgid=<670AA5A72F435D408DD680988615EE520607EF@LCPO-EXCH01.lc.pt>, proto=ESMTP, daemon=MSA, re lay=[193.126.127.66] Jun 26 15:28:54 smtp amavis[327]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:28:54 smtp amavis[327]: do_exit:832 - ending execution with 0 Jun 26 15:28:54 smtp sendmail[324]: h5QESpq7000324: Milter add: header: X-Virus-Scanned: by amavis-milter (h ttp://amavis.org/) Jun 26 15:28:54 smtp sendmail[330]: h5QESpq7000324: to=<lberna@ccr-c.pt>, delay=00:00:01, xdelay=00:00:00, m ailer=local, pri=31569, dsn=2.0.0, stat=Sent Jun 26 15:28:58 smtp sendmail[332]: ruleset=check_relay, arg1=mc10-s20.bay6.hotmail.com, arg2=65.54.165.94, relay=mc10-s20.bay6.hotmail.com [65.54.165.94], reject=553 5.3.0 see http://www.blars.org/errors/block.html Jun 26 15:32:26 smtp sendmail[375]: h5QEWNq7000375: <mike.n.mcNamara_ne@ccr-c.pt>... User unknown Jun 26 15:32:26 smtp sendmail[375]: h5QEWNq7000375: from=<>, size=3007, class=0, nrcpts=0, proto=ESMTP, daem on=MSA, relay=mx5.mx.voyager.net [216.93.66.84] Jun 26 15:32:27 smtp popper[377]: (v4.0.3) Unable to get canonical name of client 192.168.100.13: Unknown ho st (1) [pop_init.c:1054] Jun 26 15:32:27 smtp popper[377]: Stats: vribeiro 0 0 0 0 192.168.100.13 192.168.100.13 [pop_updt.c:296] Jun 26 15:32:30 smtp popper[378]: (v4.0.3) Unable to get canonical name of client 192.168.2.96: Unknown host (1) [pop_init.c:1054] Jun 26 15:32:32 smtp popper[378]: Stats: al1012 0 0 0 0 192.168.2.96 192.168.2.96 [pop_updt.c:296] Jun 26 15:32:39 smtp sendmail[338]: h5QET8q7000338: [194.65.114.179] did not issue MAIL/EXPN/VRFY/ETRN durin g connection to MSA Jun 26 15:32:53 smtp sendmail[380]: h5QEWrq7000380: from=<>, size=3239, class=0, nrcpts=1, msgid=<2003062614 27.h5QERCaJ001138@www.ccr-c.pt>, proto=ESMTP, daemon=MSA, relay=www [10.1.3.2] Jun 26 15:32:53 smtp amavis[382]: starting. amavis 0.3.12pre5 Mon Mar 25 21:10:14 UTC 2002 Jun 26 15:32:53 smtp amavis[382]: do_exit:832 - ending execution with 0 Jun 26 15:32:53 smtp sendmail[380]: h5QEWrq7000380: Milter add: header: X-Virus-Scanned: by amavis-milter (h ttp://amavis.org/) Jun 26 15:32:53 smtp sendmail[387]: h5QEWrq7000380: to=<pmelo@ccr-c.pt>, delay=00:00:00, xdelay=00:00:00, ma iler=local, pri=33477, dsn=2.0.0, stat=Sent Jun 26 15:32:57 smtp sendmail[379]: h5QEWsq7000379: <juliann.haas_yw@ccr-c.pt>... User unknown Jun 26 15:32:57 smtp sendmail[379]: h5QEWsq7000379: from=<>, size=0, class=0, nrcpts=0, proto=ESMTP, daemon= MSA, relay=216.163.91.2.cypresscom.net [216.163.91.2] (may be forged) Jun 26 15:33:09 smtp sendmail[390]: h5QEX5q7000390: <rosariomdenniswo@ccr-c.pt>... User unknown Jun 26 15:33:09 smtp sendmail[390]: h5QEX5q7000390: from=<>, size=2642, class=0, nrcpts=0, proto=ESMTP, daem on=MSA, relay=ex3beimcoims02.cec.eu.int [158.169.131.58] Paulo Jorge de Melo Gabinete de Informática e Estatística Comissão de Coordenação da Região Centro _________________________________________________________________________________________________ "What? You search? You would multiply yourself by ten, by a hundred? You seek followers? Seek zeros! "- Nietzsche