On Monday, March 1, 2004, 13:12:45, Len Conrad wrote:
>>> I've observed some insane behavior by several MTAs that, when
>>> anvilled, will, rather than backing off and re-trying some interval
>>> later, re-try immediately, at 10 to 20 TCP connects per SECOND, for
>>> 1000s and 1000s of connections.
>>>
>>> Some of these seems to be web apps (rather than real MTAs) that are
>>> only an SMTP client running in a tight loop.
>>
>>Perhaps  its some form of auto-DoS to try & get back at people using the
>>anvil feature.
>
> If it is, they probably hurt themselves much more than they hurt 
> postfix.  postfix overhead in anvil rejections is extremely low, and a 
> postfix smtpd process that anvil rejects for is liberated instantly.

If  it's  a virus infested spam relay they might not care, they probably
have 1000's of others at their disposal.

-- 
[EMAIL PROTECTED]     Program /n./
                          1. A magic spell cast over a computer allowing
                             it to turn one's input into error messages.


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