Date: Tue, 09 Mar 2010 16:34:49 -0800 From: "Kevin Oberman" <oberman@es.net> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-stable@freebsd.org Subject: Re: Cron output mail lost with update to RELENG_7 Message-ID: <20100310003449.D606F1CC0D@ptavv.es.net> In-Reply-To: Your message of "Fri, 05 Mar 2010 12:33:09 PST." <20100305203309.GA91525@icarus.home.lan>
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> Date: Fri, 5 Mar 2010 12:33:09 -0800 > From: Jeremy Chadwick <freebsd@jdc.parodius.com> > Sender: owner-freebsd-stable@freebsd.org > > On Fri, Mar 05, 2010 at 11:32:47AM -0800, Kevin Oberman wrote: > > I have discovered a problem with the mail sent by cron jobs (I refer > > only to logs, not invocations of mail from scripts.) They never are > > delivered. > > Mar 5 10:32:30 noc5 postfix/sendmail[1175]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:32:30 noc5 postfix/sendmail[1175]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:37:00 noc5 postfix/sendmail[1268]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:37:00 noc5 postfix/sendmail[1268]: fatal: root(0): No recipient addresses found in message header > > > > This showed up when I upgraded the system to RELENG_7 yesterday. My > > previous install was RELENG_7 of May 2, 2009 and it delivered the logs > > without any problems. No other changes were made. postfix was 2.6.5. > > > > I have this same issue on all 8.0 systems I have, but I was blaming a > > fault in postfix config. Now I realize that this is not the problem. > > > > I really don't know quite where to look for this. Any clues would be > > appreciated. > > I don't have this issue on any of our RELENG_7 or RELENG_8 systems, all > of which use postfix and WITHOUT_SENDMAIL in /etc/src.conf. > > It sounds like cron is trying to spawn something like mail(1) (more > likely /usr/sbin/sendmail; would have to look at the code) and passing > it either incorrect flags or actual content within the header itself, > e.g. a missing To: line. > > Since postfix is involved, have you verified your /etc/mail > configuration to make sure mailwrapper is referring to the correct > postfix binaries? > > The only other thing I can think of would be, possibly, some sort of > cronjob root has (either crontab -l or /etc/crontab) which makes use of > the MAILTO environment variable. See cron(8) for what I'm talking > about. > > You might have to run cron in debug mode (see -x flag; your argument > list will probably be quite long :-) ) to see what it's doing. > Otherwise truss or ktrace might be the only way to track down what's > going on underneath. > > -- > | Jeremy Chadwick jdc@parodius.com | > | Parodius Networking http://www.parodius.com/ | > | UNIX Systems Administrator Mountain View, CA, USA | > | Making life hard for others since 1977. PGP: 4BD6C0CB | > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > > Date: Fri, 5 Mar 2010 12:33:09 -0800 > From: Jeremy Chadwick <freebsd@jdc.parodius.com> > Sender: owner-freebsd-stable@freebsd.org > > On Fri, Mar 05, 2010 at 11:32:47AM -0800, Kevin Oberman wrote: > > I have discovered a problem with the mail sent by cron jobs (I refer > > only to logs, not invocations of mail from scripts.) They never are > > delivered. > > Mar 5 10:32:30 noc5 postfix/sendmail[1175]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:32:30 noc5 postfix/sendmail[1175]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:37:00 noc5 postfix/sendmail[1268]: fatal: root(0): No recipient addresses found in message header > > Mar 5 10:37:00 noc5 postfix/sendmail[1268]: fatal: root(0): No recipient addresses found in message header > > > > This showed up when I upgraded the system to RELENG_7 yesterday. My > > previous install was RELENG_7 of May 2, 2009 and it delivered the logs > > without any problems. No other changes were made. postfix was 2.6.5. > > > > I have this same issue on all 8.0 systems I have, but I was blaming a > > fault in postfix config. Now I realize that this is not the problem. > > > > I really don't know quite where to look for this. Any clues would be > > appreciated. > > I don't have this issue on any of our RELENG_7 or RELENG_8 systems, all > of which use postfix and WITHOUT_SENDMAIL in /etc/src.conf. > > It sounds like cron is trying to spawn something like mail(1) (more > likely /usr/sbin/sendmail; would have to look at the code) and passing > it either incorrect flags or actual content within the header itself, > e.g. a missing To: line. > > Since postfix is involved, have you verified your /etc/mail > configuration to make sure mailwrapper is referring to the correct > postfix binaries? > > The only other thing I can think of would be, possibly, some sort of > cronjob root has (either crontab -l or /etc/crontab) which makes use of > the MAILTO environment variable. See cron(8) for what I'm talking > about. > > You might have to run cron in debug mode (see -x flag; your argument > list will probably be quite long :-) ) to see what it's doing. > Otherwise truss or ktrace might be the only way to track down what's > going on underneath. Sigh! I found it. I build my systems without NIS and I had the stock nsswitch.conf file. Fixed. /me banging my head on my desk. Can't hurt...the brain is clearly dead already. Thanks! -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751
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