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Sendmail.xmail From Cron, seems to "freeze" or something

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ciuly

Posted: Jun 13 2011, 10:52 PM

Member

Group: Members
Posts: 62
Member No.: 1843
Joined: 29-November 05

This is an old issue, I just now am getting to dig into it properly.

I'm running xmail 1.26 on centos (it's an upgrade). Everything is working fine except getting email from cron for jobs that output stuff (I am getting the daily logwatch which contains the jobs ran and "MAIL sending errors X Time(s)", where X varies (today, that X is going to be very high))

my related setup for the scripts:

CODE

[root@Impuls pinger]# ll /usr/lib/sendmail
lrwxrwxrwx 1 root root 30 Jan 21 2010 /usr/lib/sendmail -> /etc/alternatives/mta-sendmail
[root@Impuls pinger]# ll /etc/alternatives/mta-sendmail
lrwxrwxrwx 1 root root 26 Jun 9 2010 /etc/alternatives/mta-sendmail -> /usr/lib/sendmail.sendmail
[root@Impuls pinger]# ll /usr/lib/sendmail.sendmail
lrwxrwxrwx 1 root root 16 Jun 9 2010 /usr/lib/sendmail.sendmail -> ../sbin/sendmail
[root@Impuls pinger]# ll /usr/sbin/sendmail
lrwxrwxrwx 1 root root 27 Jan 30 2010 /usr/sbin/sendmail -> /usr/sbin/sendmail.xmail.sh
[root@Impuls pinger]# ll /usr/sbin/sendmail.xmail.sh
-rwxr-xr-x 1 root root 132 Jan 19 2006 /usr/sbin/sendmail.xmail.sh
[root@Impuls pinger]# ll /usr/sbin/sendmail.xmail
-rwsr-sr-x 1 root root 18484 Jan 30 2010 /usr/sbin/sendmail.xmail (note the +s is in place as needed)
[root@Impuls pinger]# ll /var/MailRoot/bin/sendmail
-rwxr-xr-x 1 root root 14324 Jan 30 2010 /var/MailRoot/bin/sendmail

(this is smaller than sendmail.xmail, not sure if it's right)

CODE

[root@Impuls pinger]# cat /usr/sbin/sendmail.xmail.sh
#!/bin/sh
export DEFAULT_DOMAIN="ciuly.com"
if [ -z $MAIL_ROOT ]; then
export MAIL_ROOT=/var/MailRoot
fi
/usr/sbin/sendmail.xmail $*
[root@Impuls pinger]#

now, when the cron runs the job (it's just a script that verifies if the actual job is running and if not it starts it, outputting that it did so), things will look like this (pstree output):

CODE

├─crond─┬─crond─┬─gpinger.chk
│ │ └─sendmail───sendmail.xmail
│ └─crond─┬─ipinger.chk
│ └─sendmail───sendmail.xmail

and the jobs:

CODE

[root@Impuls pinger]# ps -Af | grep ping
root 15141 15140 0 00:11 ? 00:00:00 [gpinger.chk] <defunct>
root 15150 1 0 00:11 ? 00:00:00 /usr/bin/php /www/pinger/pinger.php 1
root 15163 15162 0 00:12 ? 00:00:00 [ipinger.chk] <defunct>
root 15172 1 0 00:12 ? 00:00:00 /usr/bin/php /www/pinger/pinger.php 2

I looked in the xmail logs but I didn't even find anything in the logs (smtp, for these emails, so it appears it is not getting anywhere.

I made a small test script and logged parameters to file in sendmail.xmail.sh resulting in

CODE

-FCronDaemon -i -odi -oem -oi -t

what's missing/wrong?

thanks.

--------------------

I hate looking up all this information every time I create a new topic so here goes:
I'm running XMail v 1.26 on linux centos 5 CLI-only kernel 2.6.18-194.32.1.el5 with filters.out having one filter, filters.post-data having 5 custom filters (first one SA), filters.pre-data having 2 custom filters and SA v 3.3.1 running on Perl v 5.8.8 with a weekly crontab entry for sa-update

ciuly

Posted: Jun 16 2011, 10:27 PM

Member

Group: Members
Posts: 62
Member No.: 1843
Joined: 29-November 05

Managed to finally track it down, after reading this message here: http://permalink.gmane.org/gmane.mail.xmail.general/5046
basically I experimented with tweaking the command line parameters and by mistake, at a given point I wrote the newargs expression wrong (I had some debug stuff in place), resulting in a singular word, which raised an error in the mailer daemon of a non-existing account.
so in the end I ended up with the following sendmail.xmail.sh

CODE

#!/bin/sh
export DEFAULT_DOMAIN=mydomain.tld
if [ -z $MAIL_ROOT ]; then
export MAIL_ROOT=/var/MailRoot
fi

iscron=`echo $* | grep FCronDaemon`
if [ -n "$iscron" ]
then
/usr/sbin/sendmail.xmail root
else
/usr/sbin/sendmail.xmail $*
fi

--------------------

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