Andrzej Adam Filip
anfi at onet.eu
Tue Nov 24 13:10:21 EST 2009
Tilman Schmidt <t.schmidt at phoenixsoftware.de> wrote:
> Am 2009-11-23 21:38 schrieb -:
>> I too limit connections to one, and one per 5 minutes. Should
>> remotes violate that, they get two warnings (ICMP admin-prohibited),
>> and if they're too eager, they fall into my TCP TARPIT.
> I wonder. Do you have any data on how typical mail server software
> reacts to that sort of policy? What does, for example, a Sendmail or
> Exchange server in default configuration do if it tries to deliver two
> mails to a destination server, the first one succeeds, and the second
> one fails with "administratively prohibited"?
AFAIK sendmail does not distinguish between reasons why establishing TCP
connection have failed. Have I missed something?
[pl>en: Andrew] Andrzej Adam Filip : anfi at onet.eu
A commune is where people join together to share their lack of wealth.
-- R. Stallman
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