On Nov 27, 2007 4:36 PM, Glenn Steen <<a href="mailto:glenn.steen@gmail.com">glenn.steen@gmail.com</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On 27/11/2007, Israel Garcia <<a href="mailto:igalvarez@gmail.com">igalvarez@gmail.com</a>> wrote:<br>> On Nov 27, 2007 4:01 PM, UxBoD <<a href="mailto:uxbod@splatnix.net">uxbod@splatnix.net
</a>> wrote:<br>><br>> > So when disabling RBLs the problem disappears.<br>><br>> No, the problem disapear when I turn off spamassassin completily in<br>> mailscanner config file. Sometimes I enable Spamassassin check but disable
<br>> razor2, DCC and pyzor in spam.assassin.prefs.conf and it work better.. BUT,<br>> if I fully enalbe spamassassin with DCC, razor2 and pyzor the load average<br>> begins to increase and thousands of mails begins comes to HOLD folder .. Do
<br>> you think it's time to split the load in two servers? I mean something like<br>> this:<br>> Router<br>> NAT rules to SMTP farm serves.<br>> I
<br>> I<br>> ______________________________<br>> I I<br>> Server2 SMTP Server1 SMTP<br>> Mailscanner/sa Mailscanner/sa
<br><br></div>If the bottleneck is network-related/lookups.... this will buy you<br>nothing, unfortunately.</blockquote><div>I know, but how am I sure this is the cause of my problem?<br> <br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br><div class="Ih2E3d"><br>> I think I have two problems, to much spam (80% of total emails --> from<br>> vispan) and my the line 256k/frame relay is FULL.<br>><br>> Any other ideas?<br>> Israel<br>>
<br><br></div>Since the load climbs, you likely have a lot of processes in state D<br>(count them with a ps.... might give a clue:-)... Which might indicate<br>slow lookup responses, sure.<br></blockquote><div>The loads climbs when comes a lot of mail to hold folder
<br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>You do reject mail for unknown recipients, right? If not, start doing<br>that... It will ease things;).
</blockquote><div>yes, I do..<br>from <a href="http://main.cf">main.cf</a>:<br>local_recipient_maps = unix:passwd.byname $alias_maps <br>smtpd_helo_required = yes<br>disable_vrfy_command = yes<br>strict_rfc821_envelopes = yes
<br>invalid_hostname_reject_code = 554<br>multi_recipient_bounce_reject_code = 554<br>non_fqdn_reject_code = 554<br>relay_domains_reject_code = 554<br>unknown_address_reject_code = 554<br>unknown_client_reject_code = 554<br>
unknown_hostname_reject_code = 554<br>unknown_local_recipient_reject_code = 554<br>unknown_relay_recipient_reject_code = 554<br>unknown_sender_reject_code = 554<br>unknown_virtual_alias_reject_code = 554<br>unknown_virtual_mailbox_reject_code = 554
<br>unverified_recipient_reject_code = 554<br>unverified_sender_reject_code = 554<br>#<br>smtpd_sender_restrictions =<br> check_sender_access hash:/etc/postfix/listanegra<br> reject_non_fqdn_sender<br> reject_unknown_sender_domain permit
<br><br>smtpd_recipient_restrictions =<br> permit_auth_destination<br> permit_mynetworks<br> reject_non_fqdn_recipient<br> reject_unknown_recipient_domain<br> reject_unauth_destination
<br> reject_invalid_hostname,<br> reject_unknown_recipient_domain,<br> reject_unauth_pipelining,<br> permit_sasl_authenticated,<br> reject_unauth_destination,<br><br>
</div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>You might also consider using a few RBLs at the MTA level, so that you<br>reject messages that hit them. If you go for that, choose
<br>wisely...:-).<br>And look over what ... "RFC strictness" you can enable... and use to<br>reject junk.</blockquote><div>What is RFC stricness?<br><br>thanks in advance<br>Israel<br> </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>The message you never handle, nor even receive, is the best<br>performance improvement you can do.<br><div><div></div><div class="Wj3C7c"><br>Cheers<br>--<br>-- Glenn<br>email: glenn < dot > steen < at > gmail < dot > com
<br>work: glenn < dot > steen < at > ap1 < dot > se<br>--<br>MailScanner mailing list<br><a href="mailto:mailscanner@lists.mailscanner.info">mailscanner@lists.mailscanner.info</a><br><a href="http://lists.mailscanner.info/mailman/listinfo/mailscanner" target="_blank">
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<br></div></div></blockquote></div><br><br clear="all"><br>-- <br>Regards;<br>Israel Garcia