Patrick wrote:
On Thu, 2008-03-27 at 00:58 +1030, Tim wrote:
[snip]
There's actually a way around it in a crunch...I've put a 5 minute
window.
That's really not a solution. While your server may say, come back in
5, you don't have any control over how, when, or if, the sender will
actually retry.
Afaik greylisting uses an RFC compliant method. So if the sending
mailserver does not resend after a while then it is broken and should be
fixed. FWIW I have used greylisting for more than a year now and in all
that time I have only once seen a mailserver not resend.
If the sender (imagine your favourite biggie) uses several sending
MTAs, and each gets a 4xx response, I can imagine at some point the pool
gives up. I've noticed email on several lists I'm on comes from more
than one server.
--
Cheers
John
-- spambait
1aaaaaaa@xxxxxxxxxxxxxxxx Z1aaaaaaa@xxxxxxxxxxxxxxxx
-- Advice
http://webfoot.com/advice/email.top.php
http://www.catb.org/~esr/faqs/smart-questions.html
http://support.microsoft.com/kb/555375
You cannot reply off-list:-)
