-----Ursprüngliche Nachricht----- Von: [email protected] [mailto:[email protected]] Im Auftrag von Ralf Hildebrandt Gesendet: Mittwoch, 02. Dezember 2009 12:04 An: [email protected] Betreff: Re: [postfix-users] Question about smtp_client_connection_count_limit
* Georg Käfer <[email protected]>: > Sympthom: > my postfix/dovecot server stops connection requests on port 25 if the > mail reject limit exceeds around 400 per minute. Port 25 is available > but no 220 promt is coming. So I assume not enough smtp or amavis > deamons on port 10024 10025 are available. Postfix logs that fact. What's in the logs? -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 [email protected] | http://www.charite.de _______________________________________________ postfix-users mailing list [email protected] http://de.postfix.org/cgi-bin/mailman/listinfo/postfix-users Mein log der betreffenden zeit heute: Dec 2 09:28:00 mail2 postfix/anvil[31780]: statistics: max connection rate 18/60s for (smtp:82.32.162.192) at Dec 2 09:22:20 Dec 2 09:28:00 mail2 postfix/anvil[31780]: statistics: max connection count 4 for (smtp:213.55.71.242) at Dec 2 09:23:20 Dec 2 09:28:00 mail2 postfix/anvil[31780]: statistics: max message rate 18/60s for (smtp:82.32.162.192) at Dec 2 09:22:22 Dec 2 09:28:00 mail2 postfix/anvil[31780]: statistics: max recipient rate 152/60s for (smtp:82.32.162.192) at Dec 2 09:21:18 Dec 2 09:28:00 mail2 postfix/anvil[31780]: statistics: max cache size 103 at Dec 2 09:27:56 Dec 2 09:38:00 mail2 postfix/anvil[31780]: statistics: max connection rate 18/60s for (smtp:unknown) at Dec 2 09:33:39 Dec 2 09:38:00 mail2 postfix/anvil[31780]: statistics: max connection count 4 for (smtp:115.73.106.196) at Dec 2 09:28:19 Dec 2 09:38:00 mail2 postfix/anvil[31780]: statistics: max message rate 8/60s for (smtp:77.74.14.176) at Dec 2 09:28:41 Dec 2 09:38:00 mail2 postfix/anvil[31780]: statistics: max recipient rate 38/60s for (smtp:123.50.56.24) at Dec 2 09:29:59 Dec 2 09:38:00 mail2 postfix/anvil[31780]: statistics: max cache size 102 at Dec 2 09:28:14 Dec 2 09:48:00 mail2 postfix/anvil[31780]: statistics: max connection rate 18/60s for (smtp:unknown) at Dec 2 09:45:05 Dec 2 09:48:00 mail2 postfix/anvil[31780]: statistics: max connection count 2 for (smtp:62.227.200.84) at Dec 2 09:39:11 Dec 2 09:48:00 mail2 postfix/anvil[31780]: statistics: max message rate 8/60s for (smtp:94.41.154.84) at Dec 2 09:41:35 Dec 2 09:48:00 mail2 postfix/anvil[31780]: statistics: max recipient rate 37/60s for (smtp:41.112.213.24) at Dec 2 09:41:20 Dec 2 09:48:00 mail2 postfix/anvil[31780]: statistics: max cache size 118 at Dec 2 09:43:22 Dec 2 09:58:00 mail2 postfix/anvil[31780]: statistics: max connection rate 18/60s for (smtp:unknown) at Dec 2 09:54:55 Dec 2 09:58:00 mail2 postfix/anvil[31780]: statistics: max connection count 2 for (smtp:117.195.99.27) at Dec 2 09:48:01 Dec 2 09:58:00 mail2 postfix/anvil[31780]: statistics: max message rate 6/60s for (smtp:117.241.193.40) at Dec 2 09:48:56 Dec 2 09:58:00 mail2 postfix/anvil[31780]: statistics: max recipient rate 30/60s for (smtp:84.127.188.202) at Dec 2 09:57:07 Dec 2 09:58:00 mail2 postfix/anvil[31780]: statistics: max cache size 110 at Dec 2 09:51:24 Dec 2 10:10:38 mail2 postfix/anvil[31784]: statistics: max connection rate 16/60s for (smtp:87.238.209.101) at Dec 2 10:06:41 Dec 2 10:10:38 mail2 postfix/anvil[31784]: statistics: max connection count 4 for (smtp:59.95.129.85) at Dec 2 10:02:59 Dec 2 10:10:38 mail2 postfix/anvil[31784]: statistics: max message rate 16/60s for (smtp:87.238.209.101) at Dec 2 10:06:39 Dec 2 10:10:38 mail2 postfix/anvil[31784]: statistics: max recipient rate 76/60s for (smtp:119.155.71.225) at Dec 2 10:06:24 Dec 2 10:10:38 mail2 postfix/anvil[31784]: statistics: max cache size 94 at Dec 2 10:02:22 Dec 2 10:20:38 mail2 postfix/anvil[31784]: statistics: max connection rate 5/60s for (smtp:222.219.138.81) at Dec 2 10:19:19 Dec 2 10:20:38 mail2 postfix/anvil[31784]: statistics: max connection count 3 for (smtp:84.17.11.114) at Dec 2 10:20:13 Dec 2 10:20:38 mail2 postfix/anvil[31784]: statistics: max message rate 5/60s for (smtp:117.196.133.238) at Dec 2 10:11:55 Dec 2 10:20:38 mail2 postfix/anvil[31784]: statistics: max recipient rate 8/60s for (smtp:117.200.74.231) at Dec 2 10:13:42 Dec 2 10:20:38 mail2 postfix/anvil[31784]: statistics: max cache size 52 at Dec 2 10:19:38 Dec 2 10:30:38 mail2 postfix/anvil[31784]: statistics: max connection rate 5/60s for (smtp:222.219.138.81) at Dec 2 10:21:35 Dec 2 10:30:38 mail2 postfix/anvil[31784]: statistics: max connection count 1 for (smtp:212.156.174.232) at Dec 2 10:20:39 Dec 2 10:30:38 mail2 postfix/anvil[31784]: statistics: max message rate 5/60s for (smtp:222.219.138.81) at Dec 2 10:21:37 Dec 2 10:30:38 mail2 postfix/anvil[31784]: statistics: max recipient rate 12/60s for (smtp:59.93.55.211) at Dec 2 10:22:32 Dec 2 10:30:38 mail2 postfix/anvil[31784]: statistics: max cache size 44 at Dec 2 10:27:28 Dec 2 10:40:38 mail2 postfix/anvil[31784]: statistics: max connection rate 8/60s for (smtp:119.152.95.184) at Dec 2 10:34:33 Dec 2 10:40:38 mail2 postfix/anvil[31784]: statistics: max connection count 2 for (smtp:119.152.95.184) at Dec 2 10:33:49 Dec 2 10:40:38 mail2 postfix/anvil[31784]: statistics: max message rate 8/60s for (smtp:119.152.95.184) at Dec 2 10:34:35 Dec 2 10:40:38 mail2 postfix/anvil[31784]: statistics: max recipient rate 64/60s for (smtp:119.152.95.184) at Dec 2 10:34:35 Dec 2 10:40:38 mail2 postfix/anvil[31784]: statistics: max cache size 51 at Dec 2 10:39:07 Dec 2 10:50:38 mail2 postfix/anvil[31784]: statistics: max connection rate 4/60s for (smtp:80.249.81.70) at Dec 2 10:41:15 Dec 2 10:50:38 mail2 postfix/anvil[31784]: statistics: max connection count 3 for (smtp:117.102.44.141) at Dec 2 10:47:29 Dec 2 10:50:38 mail2 postfix/anvil[31784]: statistics: max message rate 4/60s for (smtp:80.249.81.70) at Dec 2 10:41:17 Dec 2 10:50:38 mail2 postfix/anvil[31784]: statistics: max recipient rate 19/60s for (smtp:117.102.44.141) at Dec 2 10:47:35 Dec 2 10:50:38 mail2 postfix/anvil[31784]: statistics: max cache size 64 at Dec 2 10:50:08 So nochmal in die main.cf bez ratelimits geschaut: anvil_status_update_time = 600s anvil_rate_time_unit = 60s smtpd_client_connection_rate_limit = 50 smtpd_client_connection_count_limit = 10 smtpd_client_message_rate_limit = 50 smtpd_client_recipient_rate_limit = 10 smtpd_client_event_limit_exceptions = $mynetworks, "IP of my mailfirewall" default_process_limit = 500 wenn ich also 20 smtps konfiguriere und im log dann "max connection rate 18/60s" lese, dann scheint es mir naheliegend, dass das 20er limit in Summe überschritten wird. d.h. wenn ich mit "-o smtp_client_connection_count_limit=10" das limit auf 10 setze und mehr als 20smtp konfiguriere, dann erhöhe ich die Wahrscheinlichkeit, dass für nutzmails mehr Ressourcen verbleiben. Und mit smtpd_client_event_limit_exceptions = $mynetworks, "IP of my mailfirewall" kann ich davon ausnahmen machen? Liebe Gruesse, Georg _______________________________________________ postfix-users mailing list [email protected] http://de.postfix.org/cgi-bin/mailman/listinfo/postfix-users
