On 2/28/2013 1:08 PM, m.r...@5-cent.us wrote:
> They don't seem to parse headers, and go*past*
> the mailserver to the culprit.

you can't parse the headers until you read them, and you can't read the 
headers until you accept the incoming message.   once you've accepted 
it, you can't bounce it back to the sending server via refusing the 
connection, and if you try and bounce it to the 'from' address you'll be 
spamming a lot of innocent parties who's email addresses have been 
forged on said headers.

so, if you use header parsing, all you can do is quietly drop the message.



-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast

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