Re: murphy in sbl.spamhaus.org
On Fri, Nov 26, 2004 at 10:57:31AM +0100, Florian Weimer wrote:
>* Christian Storch:
>>> Things which increase the load on the remote mail servers are *bad*.
>>> That would include responding with temporary errors unnecessairly and
>>> adding unnecessary delays in communication. pipelining by itself isn't
>>> necessairly terrible- adding things like 2 minute delays is bad though.
>> What about greylisting depending on results of e.g. SA?
>> Only above a limit of scores from SA greylisting would be become active.
>This is very impolite because it requires that the entire message is
>transferred at least twice.
I thought greylisting closes the smtp connection with a temporary
failure immediately to unfamiliar routers. Then they can transmit the
message on a second attempt, but since spam relays don't queue, they
won't try again.
George Georgalis, systems architect, administrator Linux BSD IXOYE
http://galis.org/george/ cell:646-331-2027 mailto:email@example.com