Re: [Assp-user] Limiting IP connection function

[Charles M. <CMarcus@Media-Brokers.com>]

Dave Emory wrote:
> Hello, All.
> 
> I did some testing of the IP address number-of-connections limit function, 
> and found a behavior that you should be aware of if you use this function. 
> The mailer I used to send the test messages makes a new connection for each 
> email address in the "from" field.  If the number of recipients in the from 
> field

Eh? Recipients? In the FROM field?? That would be 'senders', and why 
would there be more than one in the 'From:' field?

I'm guessing you meant 'TO:', 'CC:' and 'BCC:' fields?

Making a separate connection for each in the TO/CC fields doesn't make 
sense, but maybe it does for the BCC field?

> exceeds the max SMTP ip connections limit, the IP address will be 
> blocked and get a PB score (if enabled).  Blocking starts as soon as the 
> limit is exceeded, so some mail will not be delivered.  I reduced the 
> frequency test duration due to this issue so the function still helps 
> prevent denial-of-service, but mail isn't blocked for the default 3600 

-- 

Best regards,

Charles