[imp] Re: spamassassin and blocking lists

[Iain Pople]

Michael M Slusarz wrote:

> 
> Search the archives for a discussion of this previously.  Essentially, the
> reason that IMP adds Received headers for the web browser->web server is 
> that
> it is consistent with what is expected/asked for in the RFCs.
> 

ok, but why is this different to the way a 'normal' email client like 
thunderbird inserts headers? Or is it the MTA that is inserting the 
headers? either way why is it different when it happens via IMP, and 
thus triggers spamassassin.

> And quite honestly spamassassin is pretty dumb (in my opinion) in 
> assessing this
> as a spam trigger (but then again, I think that blocking messages 
> because they
> appear on a so-called Dialup or Dynamic range - which, often times, are 
> ranges
> based on totally incorrect information - is about the stupidest thing 
> you could
> possibly do).
> 

well it is incredibly effective in preventing spam, assuming you choose 
your blocking lists carefully. In this case it isn't the blocking lists 
that are at fault. Just the way they are being applied.