On Wed, 6 Dec 2006, Kelly Jones wrote:

> Recently, someone connected our server, call it mx.xyz.com, and said
> "HELO mx.xyz.com". Spamassassin didn't ding it for doing this.

IMHO this is worthy of a 500 reject at the MTA level. There is NO
legitimate reason for J. Random User out on the internet to claim his
MTA is yours.

I've posted milter-regex examples that do this here before.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 [EMAIL PROTECTED]    FALaholic #11174     pgpk -a [EMAIL PROTECTED]
 key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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