On Sun, 11 Sep 2011, René Berber wrote:
On 9/11/2011 3:47 PM, rutra80 wrote:
Hello, lately I receive spam which looks like coming from my domain,
sometimes it is spoofed like coming from accounts that don't exist, and
sometimes from the ones that really do. The only SA rule that it triggers is
Bayesian one, with nearly 100% probability - it assigns 3.5 points, but my
rejection limit is set to 4.5 and I'm not eager to lower it. What would be
the most elegant and technically correct way to get rid of the problem?
1. Require authentication.
2. SPF.
3. If your domain's mail will only ever originate from your MTA, then set
up your MTA to reject any mail having a From address in your domain unless
it comes from your trusted network(s).
--
John Hardin KA7OHZ http://www.impsec.org/~jhardin/
jhar...@impsec.org FALaholic #11174 pgpk -a jhar...@impsec.org
key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C AF76 D822 E6E6 B873 2E79
-----------------------------------------------------------------------
But if there is no such inalienable right [to self defense], the
entire nature of the social contract is changed. Each man’s worth
is measured solely by his utility to the state, and as such the
value of his life rides a roller coaster not unlike the stock
market: dependent not only upon the preferences of the party in
power but upon the whims of its political leaders and the
permanent bureaucratic class. -- Mike McDaniel
-----------------------------------------------------------------------
Today: the 10th anniversary of 9/11
