95 lines
2.5 KiB
Bash
95 lines
2.5 KiB
Bash
#!/bin/sh
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#
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# Copyright (C) 2001 Graeme Walker <graeme_walker@users.sourceforge.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ===
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#
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# emailrelay-notify.sh
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#
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# An example script which looks for failed mail in the MailRelay spool
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# directory, and sends failure notification messages using 'procmail'.
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#
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tmp="/tmp/`basename $0`.$$.tmp"
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trap "rm -f ${tmp} 2>/dev/null ; exit 0" 0 1 2 3 13 15
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# parse the command line
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#
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store="/var/spool/mailrelay"
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if test $# -ge 1
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then
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store="${1}"
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fi
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# check the spool directory
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#
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if test \! -d "${store}"
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then
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echo `basename $0`: invalid spool directory >&2
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exit 1
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fi
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# for each failed e-mail...
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#
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for file in ${store}/mail-relay.*.envelope.bad ""
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do
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if test -f "${file}"
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then
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content="`echo ${file} | sed 's/envelope/content/' | sed 's/.bad//'`"
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reason="`fgrep MailRelay-Reason ${file} | sed 's/X-[^ ]*Reason: //' | tr -d '\015'`"
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from="`fgrep MailRelay-From ${file} | sed 's/X-MailRelay-From: //' | tr -d '\015'`"
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deliver_to="${from}"
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if test "${deliver_to}" = ""
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then
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deliver_to="postmaster"
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fi
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# create a notification message header
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#
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echo "To: ${deliver_to}" > ${tmp}
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echo "From: postmaster" >> ${tmp}
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echo "Subject: Your e-mail could not be delivered" >> ${tmp}
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echo " " >> ${tmp}
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# add the message content
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#
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if test "${reason}" != ""
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then
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echo "Reason: ${reason}" >> ${tmp}
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fi
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if test -f "${content}"
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then
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egrep -i '^To:|^Subject:' ${content} >> ${tmp}
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echo " " >> ${tmp}
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echo "The original mail is saved as \"${content}\"." >> ${tmp}
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echo "You should make a copy of this file if necessary and then delete it." >> ${tmp}
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fi
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# deliver the notification using procmail
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#
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echo `basename $0`: delivering `basename ${content}` to ${deliver_to}
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procmail -d ${deliver_to} < ${tmp}
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rc=$?
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if test "${rc}" -eq 0
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then
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rm -f "${file}" 2>/dev/null
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fi
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fi
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done
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