-----Original Message----- From: Les Mikesell [mailto:lesmikes...@gmail.com] Sent: den 12 mars 2012 13:33 To: sorin.s...@orgfarm.uu.se; General list for user discussion, questions and support Subject: Re: [BackupPC-users] Alert mails from BPC on CentOS 6 works, but not from CentOS 5
It should hand things to sendmail for delivery. C5 should have a real sendmail program configured to accept only from localhost by default. Do you see anything in /var/log/maillog to indicate what happens to them? If they go to another host, you may have to configure the sending machine to use a domain name that can be found in DNS or it may be rejected. C6 should have postfix by default, but that provides a compatible-enough sendmail program. ======================== You were spot on Les. Thanks. I looked at the /var/log/maillog and found a problem with the domain name, see excerpt below. I'm not quite sure where it picked up localhost.localdomain from and where to change it to the proper name. Does it look in /etc/hosts or /etc/BackupPC/config.pl? And FWIW, I can't find an /etc/sendmail.cf for some reason. Has this been removed and set somewhere else maybe? Further, I discovered a problem with the installdir-variable on this particular machine. It was set to /usr. Checking the working email BPC-server I discovered that it should be /usr/share/BackupPC and changed it accordingly and then restarted the BPC daemon. In fact, this errant variable might be why restores have failed as it can't find the right scripts to run. >, relay=backuppc@localhost Mar 12 14:16:53 mach021 sendmail[27054]: q2CDGrJQ027054: tcpwrappers (localhost.localdomain, 127.0.0.1) rejection Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrM9027045: to=sorin.s...@orgfarm.uu.se, ctladdr=sorin.s...@orgfarm.uu.se (150/150), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30195, relay=[127.0.0.1] [127.0.0.1], dsn=5.0.0, stat=Service unavailable Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrM9027045: q2CDGrMA027045: DSN: Service unavailable Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrMA027045: to=sorin.s...@orgfarm.uu.se, delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=31219, relay=[127.0.0.1], dsn=5.0.0, stat=Service unavailable Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrMA027045: q2CDGrMB027045: return to sender: Service unavailable Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrMB027045: to=postmaster, delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=32243, relay=[127.0.0.1], dsn=5.0.0, stat=Service unavailable Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrMA027045: Losing ./qfq2CDGrMA027045: savemail panic Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrMA027045: SYSERR(backuppc): savemail: cannot save rejected email anywhere root@mach021 ~/ [0]# tail /var/log/maillog Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrM9027045: Authentication-Warning: mach021.orgfarm.uu.se: backuppc set sender to sorin.s...@orgfarm.uu.se using -f Mar 12 14:16:53 mach021 sendmail[27045]: q2CDGrM9027045: from=sorin.s...@orgfarm.uu.se, size=195, class=0, nrcpts=1, msgid=<201203121316.q2cdgrm9027...@mach021.orgfarm.uu.se Anyway, as Google is my very good friend, I found this helpful little bit of info; << http://www.adamsdesk.com/be/archives/2005/09/09/sendmail-dsn-service-unavailable/>>. The specific info I used from this page was 1. Removed any reference to localhost.domain and/or localhost in my /etc/hosts file. 2. Added "ALL: 127.0.0.1" in /etc/hosts.allow. 3. And for good measure (not necessarily required) added "sendmail: localhost" in /etc/hosts.allow. I then tested the mail function using the email from the BPC documentation; # su -s /bin/bash - backuppc # /usr/bin/BackupPC_sendEmail -u sorin.s...@orgfarm.uu.se And voilá, I got a mail from the BPC Genie in my mailbox. So, solved. 8-D Thanks for the hint Les, it set me on right on track very fast. You and this list rocks! -- /Sorin
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