On Mon, 27 Jun 2005, Mark Smith wrote:

>  
> > I just added this and I tested it from a yahoo account by 
> > sending to 4 addresses on my domain, 3 of which are bogus.
> > 
> > Yahoo makes 4 connections:
> > 
> > 10800 Listening...
> > 10800 Connection request from 68.142.206.160 port 43138 10800 
> > 1 SMTP accept process running 10800 Listening...
> > 10800 Connection request from 68.142.206.160 port 43139 10800 
> > 2 SMTP accept processes running 10800 Listening...
> > 10800 Connection request from 68.142.206.160 port 43140 10800 
> > 3 SMTP accept processes running 10800 Listening...
> > 10800 Connection request from 68.142.206.160 port 43141 10800 
> > 4 SMTP accept processes running 10800 Listening...
> > 
> > So, that's disappointing.  The spammer has to cooperate?
> > 
> > Marilyn Davis
> > 
> The only way to deal with that is to set smtp_accept_max_per_host = 1.

Thank you.  But it doesn't seem to fix anything, it just takes longer
because the other connections are delayed.  But the result is the
same.  $rcpt_count never gets above 1.

Now, why would yahoo only send one RCPT per connection when 4
addresses to the same domain are on the same message?  What is the
benefit of doing that -- aside from facilitating spam from their
addresses?

Marilyn

> 
> - Mark
> 
> 

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