Re: Configuring FreeBSD 6.2 to use sendmail for sending only
- From: Ian Smith <smithi@xxxxxxxxxxxxx>
- Date: Sat, 1 Sep 2007 02:32:20 +1000 (EST)
On Thu, 30 Aug 2007 18:14:55 -0700 (PDT) L Goodwin <xrayv19@xxxxxxxxx> wrote:
--- Derek Ragona <derek@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
[ slashing mercilessly ]
[..]--- Chuck Swiger <cswiger@xxxxxxx> wrote:
Although, it is entirely reasonable to consider
using Postfix instead.
Here is a sample script that you can use as a=======================================================
template:
#!/bin/sh=======================================================
#define any commands you will use
MAILFILE=mymailfile
MAILFILE2=mymailfile2
SENDTO=derek@xxxxxxxxxxxxxxxxxxxxxxxx
CCTO=derek@xxxxxxxxxxxxxxxxxxxxxxxx
MAIL=/usr/bin/mail
AWK=/usr/bin/awk
CAT=/bin/cat
TR=/usr/bin/tr
TEMPDIR=/tmp
#make sure we have paths
export PATH=$PATH:/usr/local/sbin:/usr/local/bin
cd $TEMPDIR
$CAT /etc/passwd | $AWK -F : '{ print $5 }' >
$MAILFILE
$TR -cd "\012-\172" < $MAILFILE > $MAILFILE2
$MAIL -s "My list of real user names subject"
$SENDTO -c $CCTO < $MAILFILE2
Derek, your example brings up another question.
Should I be calling "mail" or "sendmail", and which
mail or sendmail should I invoke if there is more than
one of either? Chuck's example calls sendmail in a
path that does not exist on my system (my sendmail is
in /usr/sbin/). I usually invoke whichever one is
first in my path.
Use whatever works for you, and it never hurts to be specific :)
One more question. Is it ok to run the script (and
send the email) as user root, or should I create a
user account with more limited permissions -- if so,
what limits should I set?
There are so many ways of doing this .. here's another that we'd use to
mail out accounts to members monthly, from text files generated by some
php and mysql magic on another box, by another guy.
Note that this is enforced to be run by user 'subs' (here uid 996), so
that's who these messages are 'From:'. A script run from cron need not
be so paranoid about checking things .. this was hand-run 'when ready'.
#!/bin/sh
# sendacts 7Jan00 smithi .. mail out SubsBot messages .. cleanup 2Oct02
# each *.act file begins with To:, Cc:, X-mailer: etc lines
maildir="/home/subs/bills/$1" # preexisting dir as parameter eg '2000-01'
mailrun="./command.txt" # perline format: 'sendmail -t < userX.act 2>&1'
if [ "`id -u`" != "996" ]; then
echo "$0 must be run as user subs .. 'su subs' and retry .."
elif [ "$1" = "" ]; then
echo "usage: $0 directory"
elif [ ! -d $maildir ]; then
echo "$maildir does not exist .. mkdir first, unpack zipfile there"
elif [ ! -w $maildir ]; then
echo "$maildir is not writeable .. an older locked one, perhaps?"
else
cd $maildir
if [ ! -f $mailrun ]; then
echo "can't find ${maildir}/${mailrun} .. zipfile not unpacked?"
elif [ -f ./mailout.done ]; then
echo "'rm ${maildir}/mailout.done' if you wanna repeat mailout?"
else
umask 27
echo "$0 sending mail:" ; cat $mailrun
. $mailrun
touch ./mailout.done ; echo "$0 done"
exit 0
fi
fi
exit 1
with ./command.txt containing a line per recipient such as:
sendmail -t < user1.act 2>&1
sendmail -t < user2.act 2>&1
[..]
sendmail -t < userN.act 2>&1
and with the *.act files beginning such as:
To: smithi@xxxxxxxxxxxxx
Subject: August 2006 Account for Ian Smith
Cc: subs@xxxxxxxxxxxxx
Reply-to: subs@xxxxxxxxxxxxx
X-Mailer: subsbot v0.9 beta 8.90 :)
Hello Ian Smith,
[..]
HTH, Ian
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