error /usr/adm/syslog

May 29 21:37:02 unmed sendmail[14782]: k4THb2814782: SYSERR: putoutmsg (localhost): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Mon, 29 May 2006 21:37:02 +0400": Broken pipe May 30 02:12:20 unmed sendmail[15199]: k4TMCKY15199: SYSERR: putoutmsg (c-69-180-11-101.hsd1.ga.comcast.net): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 02:12:20 +0400": Broken pipe May 30 06:55:41 unmed sendmail[15643]: k4U2tfa15643: SYSERR: putoutmsg (243.2.202.62.fix.bluewin.ch): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 06:55:41 +0400": Broken pipe

May 30 07:54:32 unmed sendmail[15736]: k4U3sWP15736: SYSERR: putoutmsg (localhost): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 07:54:32 +0400": Broken pipe

May 30 09:59:45 unmed sendmail[15957]: k4U5xjK15957: SYSERR: putoutmsg (localhost): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 09:59:45 +0400": Broken pipe May 30 10:00:28 unmed sendmail[15959]: k4U60Sk15959: SYSERR: putoutmsg (host-87-242-11-194.prtelecom.hu): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 10:00:28 +0400": Broken pipe May 30 15:45:56 unmed sendmail[16962]: k4UBjuG16962: SYSERR: putoutmsg (localhost): error on output channel sending "220 unmed.gor.org.ru ESMTP Sendmail 8.10.2/8.10.2; Tue, 30 May 2006 15:45:56 +0400": Broken pipe