Delays are better than timeouts. ;-)
But look at the /etc/courier/maildroprc if you have one.
You might want to lower your maildrop lock-timeout if it is high.
You also might also want to only have SPAM assassin chop up the little files.
Some large attachments might slow things down.
For example, I use this maildroprc on my test server.
import SENDER
import RECIPIENT
import HOME
############################
#my variables
############################
MAILBOX="$HOME/Maildir"
############################
#default mailbox to use overrides system variable
############################
DEFAULT="$MAILBOX"
MAILDIRQUOTA="$MAILBOX/maildirsize"
LOGDIR="/var/log"
logfile $LOGDIR/maildrop.log
RULES = "$MAILBOX/.mailfilter"
LOCKTIMEOUT=2
############################
#
#SPAM ASSASSIN is only called if the message is smaller than 26Kb
if ($SIZE < 26624)
{
exception {
xfilter "/usr/bin/spamassassin"
#xfilter "/usr/bin/spamc"
}
}
#if the message is tagged as Spam put it
#into the SPAM MAILBOX otherwise ***LEAVE IT
#ALONE FOR THE LOCAL CONFIG TO DELIVER***
if (/^Subject: Test/ )
{
to "$DEFAULT/.Trash/"
}
if (/^X-Spam-Flag: *YES/)
{
exception {
to "$DEFAULT/.Spam/"
}
}
On 25/10/03 14:18 -0700, Colin Dick wrote:
> Hi all,
> I am still having local delivery delay issues. Here is brief
> description of my system:
>
> MySQL 3.23.56
> courier-mta 0.42.2 with mysql auth
> courier imap with mysql auth
> courier pop3d with mysql auth
> RAV antivirus 8.4
> Spamassassin 2.55
> Razor 2.36
>
> approximately 1100 customers
> Intel(R) Pentium(R) 4 CPU 1.60GHz
> cpu MHz : 1615.935
> hda: 156301488 sectors (80026 MB) w/2048KiB Cache, CHS=9729/255/63,
> UDMA(100)
> [EMAIL PROTECTED] cdick]# cat /proc/meminfo
> total: used: free: shared: buffers: cached:
> Mem: 924430336 915738624 8691712 0 121597952 469168128
> Swap: 534601728 91127808 443473920
> MemTotal: 902764 kB
>
> RAV does not appear to be the issue as mail is getting through the
> input process. When local deliveries are attempted, I am calling maildrop
> from the .courier file. Maildrop uses the following .mailfilter recipe:
>
> xfilter "/usr/bin/spamc"
> if (/^X-Spam-Flag: YES/)
> {
> to "./Maildir/.xspam/"
> }
>
> I have worked with Sam for a couple of hours and implemented some
> of his suggestions. The problem still seems to exist and seems to be
> memory related (ie: when I get into using SWAP, local deliveries slow
> down).
>
> My question is, should my configuration be able to support 1100
> customers effectively? Or are the 24 hour delays expected due to
> spamassassin having to process each message.
>
> I suspect a potential memory leak somewhere which would explain
> why I am running into SWAP. Does anyone have a similar setup? Have you
> also found delays with your mail?
>
> I have two suggestions left to implement. One is to move mysql to
> a remote machine. The second is to try my hand a load balancing a couple
> of servers.
> I have already built another machine and am in the process of
> porting many users to it. However, I am afraid that as I load this new
> server up, I will run into the same issues. Once I have a load balancing
> solution in place, adding new machines to the config shouldn't be
> difficult, however, if there is something fundamental I am missing, it
> will save me from having to buy a new server for the cluster every few
> months.
>
> Thoughts, suggestions? Thanks in advance for any info you can
> supply that might be of relevance to me. Have a good day.
>
> --
> Colin Dick
> OCIS Admin
>
>
>
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--
-------------------------------------------------------
*Theodore Knab
*Washington College
*Maryland, USA
-------------------------------------------------------
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