kyle-qmail at memoryhole
Apr 29, 2012, 9:24 AM
Post #2 of 2
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Re: limit outgoing "from" to domains in rcpthosts
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On Wednesday, April 25 at 09:13 PM, quoth ahlist:
> Is there a way/patch to limit outgoing mail's "from" to domains in
> rcpthosts.
The first way that springs to mind is a simple wrapper around
qmail-remote. All you have to do is compare the second argument to
rcpthosts, like this:
#!/bin/bash
if grep -q "$2" /var/qmail/control/rcpthosts ; then
exec /var/qmail/bin/qmail-remote.orig "$@"
else
# If you want to save it, cat it somewhere here, e.g.:
# safecat /var/log/spam_msgs/tmp /var/log/spam_msgs/cur
fi
That assumes that you moved the original qmail-remote binary to
/var/qmail/bin/qmail-remote.orig
If you already use a wrapper around qmail-remote (like my DKIM
wrapper), that logic should be easy to add.
> Also, what is the prefer patch and/or wrapper to monitor the number
> of mails each user is sending?
This would be log analysis; there are a couple good packages, starting
with DJB's own qmailanalyse, and going on to Dr. Hoffman's newanalyse
package.
Hope that helps!
~Kyle
- --
There are four boxes to be used in defense of liberty: soap, ballot,
jury, and ammo. Please use in that order.
-- Ed Howdershelt
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