Thanks John , 

How can I prevent this from Happening. I'm currently using Exim for the 
SMTP relay then passing to Lotus Domino. 
Any suggestions will be appreciated. 




John Hardin <jhar...@impsec.org> 
10/28/2009 04:21 PM

To
users@spamassassin.apache.org
cc

Subject
Re: Spam with my company domain






On Wed, 28 Oct 2009, Jeremy Davila wrote:

> I'm getting Spam which is addressed to another person in my company , 
> but it getting sent to me . So in my inbox the To Field is Kristin , but 

> in Jeremy's inbox.

The information in the To: header has nothing to do with who actually 
receives the message. Delivery is controlled by the "envelope To", which 
is the "please send this message to" address communicated during message 
transfer between mail programs.

There are more details available if you google "smtp envelope to address"

It's risky to use "my address isn't in the to:" as a spam sign, because 
blind carbon copies would always hit and forwarded messages (e.g. from 
your gmail account to your ISP account) would likely hit.

-- 
  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
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