Am Di, den 22.06.2004 schrieb Jeff Grossman um 17:26:
> I just wanted to mention that Sendmail's new greet_pause feature in 8.13.0
> is doing pretty well. I have already rejected a few connections because
> mail servers are sending data before they receive the now delayed SMTP
> greeting.
Yes, a nice feature - until the worm authors begin to respect such a
feature ;/
Btw. to which default value did you adjust the greet pause? I am
currently using 5000 milliseconds and that seems to be too less(?).
[I backported the feature to my current Sendmail 8.12]
> I have to read more about it, but it would be nice to have the ability to
> whitelist some ip's from the greeting delay.
That is already possible. Go on reading the documentation:
If FEATURE(`access_db') is enabled, an access database
lookup with the GreetPause tag is done using client
hostname, domain, IP address, or subnet to determine the
pause time:
GreetPause:my.domain 0
GreetPause:example.com 5000
GreetPause:10.1.2 2000
GreetPause:127.0.0.1 0
So disabling the greet pause for locally sent mails was my first step. It is important
that you
call the greet_pause feature _after_ calling the access_db feature inside the
sendmail.mc.
> Jeff
Alexander
--
Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
Fedora GNU/Linux Core 2 (Tettnang) on Athlon CPU kernel 2.6.6-1.435
Serendipity 18:06:48 up 2 days, 23:54, load average: 1.29, 1.42, 1.51
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