DCC version 1.2.30

Thanks Vernon.   We see the "lack of control" issue with greylisting.  I 
like the Legitimate senders solution, and helping to fix the earthlink 
problem. I am wading through those now.



Vernon Schryver wrote:

> Version 1.2.30 of the DCC source is in
> http://www.dcc-servers.net/dcc/source/dccd.tar.Z  and
> http://www.rhyolite.com/anti-spam/dcc/source/dccd.tar.Z
> 
> The point of this release is to help greylisting.  Users can now
> be told:
>   If greylisting doesn't work for your, you can turn it off.
>   You can also advise the greylist system about legitimate senders.
> 
> That last is based on the changes to dccd, dccsight, and the CGI
> scripts.  That feature will speed mail from ISPs like Earthlink that
> shuffle outoing mail among SMTP clients, but its main value is political.
> People really hate not feeling in control.  Letting users opt-out of
> greylisting entirely or mark legitimate senders for faster future
> delivery will make many people more comfortable with greylisting.
> 
> 
> DCC servers on Solaris and FreeBSD are significantly faster in recent
> releases.  Just installing a recent version on FreeBSD helps dccd.
> Adding -F to DBCLEAN_ARGS in /var/dcc/dcc_conf significantly speeds
> up dbclean on many Solaris systems.   (I recommend *NOT* using -F in
> DCCD_ARGS or on systems other than Solaris.)
> 
> 
> http://www.dcc-servers.net/dcc/CHANGES starts with:
> 
>     Let `dccd -C` take arguments for dbclean, so that the following line
> 	in dcc_conf works:
> 		DCCD_ARGS="'-C$DCC_LIBEXEC/dbclean -F'"
>     Make pthread_detach() failures in dccifd non-fatal.
>     Add mechanism to cgi-bin/list-msg to whitelist-for-greylisting
> 	(sender,IP-address,recipient) checksums.  This mechanism
> 	requires that the 1.2.30 versions of dccd and dccsight be
> 	installed.
>     Change dccifd to record the message headers in the log file even when
> 	the MTA fails to provide the message body.
> 
> If you have previously installed 1.2.12 or newer, then
> /var/dcc/libexec/updatedcc should make it easy to fetch, build, and
> install this version.
> The automatically generated /var/dcc/dcc_conf-new might make it easy
> to generate a new dcc_conf file for turning on greylisting.
> 
> 
> Vernon Schryver    vjs@rhyolite.com
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