No server 1 is not running qmail (eims), but it's not a front-end server they
are both fully fonctionnal server. The only reason I did that is because server
1 spam filters are much more complete than server 2.
When I start working on those server I had less knowledge in linux so I didn't
want to mess to much with the qmail setup.
I've build a very efficient filter on server 1 but now clients on qmail
complain they receive too much spam :-) (only 2 clients are filtered by going
on server1) so when I found spamdyke I saw an opportunity to improve qmail. So
far it's working .
On server 1 I'm able to analyse the header of my emails is it possible to do
that with spamdyke ?
Ex :
ehlo domain (I think this one is possible)
mail from
mail to
subject
Thanks
Date: Fri, 18 Jan 2008 22:29:34 -0600 From: [EMAIL PROTECTED] To:
spamdyke-users@spamdyke.org Subject: Re: [spamdyke-users]
reject-missing-sender-mx problem Correct. spamdyke returns 4xx codes for
filters that are triggered by missing DNS records (missing MX, missing
rDNS, unresolvable rDNS). This is because spamdyke can't know if the record
truly doesn't exist or if the DNS servers are just slow. Using a 4xx code
will cause the remote server to try again. If the problem was a slow DNS
server, a second attempt may be successful. Other filters use 5xx codes
because the answers are definite (rDNS keywords, blacklists,
earlytalkers). The line you found in spamdyke.h is the one you want. If
you change REJECT_SEVERITY_TEMPORARY to REJECT_SEVERITY_PERMANENT,
spamdyke will return a 5xx code for the missing MX test. Be aware, however,
that a slow or overloaded DNS server could cause some of your mail to be
rejected incorrectly. In your setup, is server 1 running qmail? It would
be better to install spamdyke there if possible. -- Sam Clippinger
J-P Raymond wrote: I think I found my answer : spamdyke.h#define
REJECTION_DATA_SENDER_NO_MX { REJECT_SEVERITY_TEMPORARY,
ERROR_SENDER_NO_MX, STRLEN(ERROR_SENDER_NO_MX), DENIED_SENDER_NO_MX }
REJECT_SEVERITY_TEMPORARYWhy temporary because DNS could failed to
answer and this email would be bounced for no reason ?Thanks
From: [EMAIL PROTECTED] To: spamdyke-users@spamdyke.org Date: Fri, 18
Jan 2008 15:10:05 -0500 Subject: Re: [spamdyke-users]
reject-missing-sender-mx problemHi,I'm having problems with
this rule ! It will be a bit difficult to explain so stay with me:
Setup : 2 serversserver 1 is filtering mail for server 2 server 2
is running spamdyke with qmailIf qmail refuse a message (sent by
server1) with a non permanent error code 4XX, server 1 keep that email in
queue until it can be sent again or timeout ! (fine) (That was my problem
with the bare LF because stray LF is always 4xx on qmail not 55X
permanent.) But server 1 don't deliver the other message received
after the one with the 4xx error until this message timout. (bad) So
basicaly queue to that domain can build up until this message is bounce or
timeout.If qmail sends a 550 permanent error no problem the email is
discarded and the other emails can be delivered.That beeing said,
Now I've tried to activate the reject-missing-sender-mx setting on
spamdyke but this rule did the same thing. I've check my log (server1) and
I saw : 554 Refused. The domain of your sender address has no mail
exchanger (MX).So fine 554 is a permanent error but why my other
server act like a 4XX error code. I would like to know if their is an
error in the error code sent by spamdyke on that particular filter ?
I know it's really specific and not many of you will experience
something like that but it's worth askingThanks
http:///
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