On Mon, 5 Mar 2018, Amir Caspi wrote:

On Mar 5, 2018, at 11:13 PM, John Hardin <jhar...@impsec.org> wrote:

*before* the @ sign.

It may be perfectly valid to do that, but if it happens more often in spam than 
in legitimate mail it is useful to us.

I’m seeing a lot of spam lately with usernames like “bob.from.somespamcompany”. 
Could definitely be at least a meta rule.

...or potentially from:addr =~ /[^@]*\.from\.[^@]*@/ if ".from." is literally in the username part.

 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
  Failure to plan ahead on someone else's part does not constitute
  an emergency on my part.                 -- David W. Barts in a.s.r
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