Performance

Holger Gebhard holger at gebhardweb.de
Wed Jan 31 10:36:47 CET 2007


Change "Max Children =" to 4 or 5...

Only two Children are very low for your Hardware Setup ;-)

----- Original Message ----- 
From: "John Schmerold" <john at katy.com>
To: <mailscanner at lists.mailscanner.info>
Sent: Wednesday, January 31, 2007 7:12 AM
Subject: Performance


> We're seeing significant backlogs, mail is taking 2-6 hours to get thru
> the Postfix/Mailscanner gauntlet we've setup. What's everyone else
> seeing in terms of mail processing time?
>
> I've looked at the home page & WIKI, so, I'm guessing I am missing
> something or there are new techniques not yet published on the
> mailscanner.info
>
> Some of my statistics are as follows:
> Server config: 2.8GHz P4, 2GB DDR2, Maxtor SATA HDD
> Mail volume: approx 7,500 messages per day
> Misc: We have set the noatime flag on spool and log partitions & use a
> local DNS caching nameserver.
>
> MS Configuration:
> [root at mx1 ~]# cat /etc/MailScanner/MailScanner.conf
> # See http://www.mailscanner.info/MailScanner.conf.index.html for all
> options & defaults
> %etc-dir% = /etc/MailScanner
> %mcp-dir% = /etc/MailScanner/mcp
> %org-long-name% = Schmerold
> %org-name% = Schmerold
> %report-dir% = /etc/MailScanner/reports/en
> %rules-dir% = /etc/MailScanner/rules
> %web-site% = www.schmerold.com
>
> Always Include SpamAssassin Report = yes
> Archive Mail = /etc/MailScanner/rules/archive.rules
> High Scoring Spam Actions = store
> High SpamAssassin Score = 7
> Incoming Queue Dir = /var/spool/postfix/hold
> Incoming Work Dir = /var/spool/MailScanner/incoming
> Language Strings = /etc/MailScanner/reports/en/languages.conf
> MTA = postfix
> Outgoing Queue Dir = /var/spool/postfix/incoming
> Required SpamAssassin Score = 4
> Restart Every = 7200
> Run As Group = postfix
> Run As User = postfix
> Sign Clean Messages = no
> SpamAssassin Site Rules Dir = /etc/mail/spamassassin
>
> Log Speed = yes
> Max Children = 2
> Max Unscanned Messages Per Scan = 10
> Max Unsafe Messages Per Scan = 10
> Spam List =
> Virus Scanners = f-prot
> [root at mx1 ~]#
>
> PostFix Configuration:
> [root at mx1 ~]# postconf -n
> canonical_maps = hash:/etc/postfix/canonical
> config_directory = /etc/postfix
> disable_vrfy_command = yes
> hash_queue_names = ""
> header_checks = regexp:/etc/postfix/header_checks
> masquerade_exceptions = root
> message_size_limit = 51200000
> mydomain = schmerold.com
> myhostname = mx1.schmerold.com
> mynetworks = 127.0.0.0/8 65.16.251.208/29
> relay_domains = katy.com katy.net katycomputer.com  schmerold.com
> smtpd_data_restrictions = reject_unauth_pipelining, permit
> smtpd_helo_required = yes
> smtpd_recipient_restrictions = reject_invalid_hostname
> reject_non_fqdn_hostname reject_non_fqdn_sender
> reject_non_fqdn_recipient  reject_unknown_sender_domain
> permit_mynetworks reject_unauth_destination check_sender_access
> hash:/etc/postfix/whitelist reject_rbl_client cbl.abuseat.org
> reject_rbl_client zen.spamhaus.org permit
> smtpd_sender_restrictions = hash:/etc/postfix/access
> transport_maps = hash:/etc/postfix/transport
> virtual_alias_domains = hash:/etc/postfix/virtual
> virtual_alias_maps = hash:/etc/postfix/virtual
> [root at mx1 ~]#
>
>
> MS Log:
> [root at mx1 ~]# cat /var/log/messages | grep "Jan 30 23:40"
> Jan 30 23:40:03 mx1 MailScanner[24752]: Requeue: 4F51A4B4468.A8F46 to
> 389AB894965
> Jan 30 23:40:03 mx1 MailScanner[24752]: Requeue: A8330894942.93836 to
> A6D8289500D
> Jan 30 23:40:03 mx1 MailScanner[24752]: Requeue: 368088943F4.C0B33 to
> 20327894942
> Jan 30 23:40:03 mx1 MailScanner[24752]: Uninfected: Delivered 7 messages
> Jan 30 23:40:03 mx1 MailScanner[24752]: Batch completed at 128844 bytes
> per second (8272398 / 64)
> Jan 30 23:40:03 mx1 MailScanner[24752]: Batch (10 messages) processed in
> 64.20 seconds
> Jan 30 23:40:03 mx1 MailScanner[24752]: New Batch: Found 7981 messages
> waiting
> Jan 30 23:40:03 mx1 MailScanner[24752]: New Batch: Scanning 10 messages,
> 169939 bytes
> Jan 30 23:40:03 mx1 MailScanner[24752]: Expired 11 records from the
> SpamAssassin cache
> Jan 30 23:40:04 mx1 named[2116]: lame server resolving
> 'mail.voltech-auto.com' (in 'voltech-auto.com'?): 216.53.199.57#53
> Jan 30 23:40:08 mx1 named[2116]: lame server resolving
> '21.36.70.194.in-addr.arpa' (in '36.70.194.in-addr.arpa'?): 
> 194.70.36.12#53
> Jan 30 23:40:42 mx1 MailScanner[24762]: Spam Checks: Found 5 spam messages
> Jan 30 23:40:42 mx1 MailScanner[24762]: Spam Checks completed at 1227
> bytes per second
> Jan 30 23:40:42 mx1 MailScanner[24762]: Virus and Content Scanning: 
> Starting
> Jan 30 23:40:43 mx1 MailScanner[24762]: Virus Scanning completed at
> 156861 bytes per second
> Jan 30 23:40:43 mx1 MailScanner[24762]: Found phishing fraud from
> www.google.com claiming to be www.chase.com in 6BE8F895371.5D53A
> Jan 30 23:40:43 mx1 MailScanner[24762]: Content Checks: Detected and
> have disarmed web bug tags in HTML message in 6BE8F895371.5D53A from
> www-data at balancetechnology.com
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: 3B29B894E55.CEBEA to
> 6535E894D8C
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: 6BE8F895371.5D53A to
> DB04E894E55
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: 73748895A57.5ABB7 to
> 0597D895371
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: 937E689448D.77EDA to
> 0CB4B8953AD
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: 754F789466A.8DA78 to
> AC1D989448D
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: D5177894E67.3DEEA to
> A879089466A
> Jan 30 23:40:43 mx1 MailScanner[24762]: Requeue: A3E798940E3.B4BEB to
> 80A7B894E67
> Jan 30 23:40:43 mx1 MailScanner[24762]: Uninfected: Delivered 7 messages
> Jan 30 23:40:43 mx1 MailScanner[24762]: Virus Processing completed at
> 650569 bytes per second
> Jan 30 23:40:43 mx1 MailScanner[24762]: Batch completed at 1215 bytes
> per second (86123 / 70)
> Jan 30 23:40:43 mx1 MailScanner[24762]: Batch (10 messages) processed in
> 70.85 seconds
> Jan 30 23:40:43 mx1 MailScanner[24762]: New Batch: Found 7993 messages
> waiting
> Jan 30 23:40:43 mx1 MailScanner[24762]: New Batch: Scanning 10 messages,
> 160591 bytes
> [root at mx1 ~]#
>


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