Sendmail Logs

David While David.While at UCE.AC.UK
Thu Oct 24 18:02:17 IST 2002


Usually caused by the sending MTA terminating the connection prematurely -
you sometimes see this when spammers connect to your machine but they are
blocked by RBLs or your access control list

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David While
Technical Development Manager
Faculty of Computing, Information & English
University of Central England
Tel: 0121 331 6211




Steve Evans <sevans at FOUNDATION.SDSU.EDU>
Sent by: MailScanner mailing list <MAILSCANNER at JISCMAIL.AC.UK>
24/10/2002 17:58
Please respond to MailScanner mailing list


        To:     MAILSCANNER at JISCMAIL.AC.UK
        cc:
        Subject:        Sendmail Logs


This should probably go to a Sendmail list, so could someone recommend a
good sendmail list please.  But . . .

I keep getting the following in my logs:

Oct 24 09:47:14 yoda sendmail[26342]: NOQUEUE: [63.123.249.67] did not
issue MAIL/EXPN/VRFY/ETRN during connection to MTA
Oct 24 09:48:49 yoda sendmail[26380]: NOQUEUE:
1-1-242.customer.bct.cmailinc.com [130.94.244.242] did not issue
MAIL/EXPN/VRFY/ETRN during connection to MTA
Oct 24 09:56:35 yoda sendmail[26707]: NOQUEUE: [63.123.249.67] did not
issue MAIL/EXPN/VRFY/ETRN during connection to MTA

LogCheck 1.1.1 reports this as a possible security violation.  Should I
be concerned?

Steve Evans
SDSU Foundation
(619) 594-0653


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