Swatch for Whitelisting

[David Cary Hart]

I do many things with swatch and have several instances running. I
thought that I would share this idea. I got tired of a user abusing
me over bounces from his clients using SBC and other spam havens.

1. Assign users a security code. To whitelist, user sends mail with
the subject:

	[security_code]  whitelistee at domain.tld
	

2. Postfix -> header_checks

	/^Subject: [security-code]/ Warn

3. swatch.conf

	
	watchfor	/Subject:.*security code/
	exec "/usr/local/whitelist $12"

4. swatch

	swatch --use-cpan-file-tail \
	--config-file=/etc/swatch.conf --daemon \
	--awk-field-syntax --tail-file=/var/log/maillog

5. /usr/local/whitelist (temp file puts whites on the top)

	#!/bin/bash
	echo -e "$1\tOK" >/etc/postfix/access.tmp
	cat /etc/postfix/access >>/etc/postfix/access.tmp
	cat /etc/postfix/access.tmp >/etc/postfix/access
	postmap /etc/postfix/access

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