On Tue, 6 Jan 2004, Robert Menschel <[EMAIL PROTECTED]> wrote:

> header   XMAILERBOGUS  X-Mailer =~ /^[a-z][^A-Z0-9]*$/
> describe XMAILERBOGUS  X-Mailer header has NO uppercase letters, NO 
> numbers... How do you expect me to believe that
> 
> XMAILERBOGUS -- 396s/5h of 85945 corpus (70035s/15910h)
> 
> X-Mailer: ubersmith (http://www.ubersmith.com/)
> was used by drak.net when I last queried them about web hosting.

Just a footnote on this rule; I'm seeing more MUAs using a URL as the 
X-Mailer value, such as:

X-Mailer: http://www.courier-mta.org/cone/

so I've added an exception for that form; could also add "." to the list 
of things X-Mailer has to have none of.

-- 
Brent J. Nordquist <[EMAIL PROTECTED]> N0BJN
Other contact information: http://kepler.acns.bethel.edu/~bjn/contact.html
* Fast pipe * Always on * Get out of the way - Tim Bray http://tinyurl.com/7sti

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