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Author SHA1 Message Date
André Stein a9c4bb3615 Adapted Postfix configuration to block typical spam sending 
mail servers using an enhanced client, sender and helo
restriction configuration.

The configuration has been adapted using this blog post:
https://www.webstershome.co.uk/2014/04/07/postfix-blocking-spam-enters-server/

Basically mail servers having invalid configuration (as e.g. sending
from and dynamic IP or a misconfigured hostname) will have their
mails rejected.

Additionnally three RBL servers are used to detect spam sending
IPs: dnsbl.sorbs.net, zen.spamhaus.org and bl.spamcop.net.

The results of a 12h test drive using a 100+ daily spam
mail account (SpamAssasin was always enabled, just counting
delivered mails to inbox not counting what SA detected):
- Before: 34 incoming mails
- Afer change: 6 incoming mails (82% reduction)

Fixes #161.
 2016-04-27 08:23:12 +02:00
Thomas VIAL b9e1903083
- Fixed #152 
- Moved Fail2ban to 0.9.x because OS version was buggy
- Improved documentation
- Reduce image size
 2016-04-23 12:09:28 +02:00
Thomas VIAL 0322d890cd
Fixed i#152 Fail2ban config and tests 2016-04-22 17:51:14 +02:00
Thomas VIAL b58d0d33d6 Fixing #143 2016-04-21 01:08:14 +02:00
Thomas VIAL a2109ff287 Merge branch 'v2' of github.com:tomav/docker-mailserver into v2 2016-04-20 23:02:23 +02:00
Thomas VIAL 4f611eec1d Fixed #143 adding a OpenDKIM keys generator and its integration tests 2016-04-20 23:01:32 +02:00
angus e25bbb965c Fix a problem in the reload function of spamassassin cron.daily script. 
(see issue #137 on github).
 2016-04-20 22:37:06 +02:00
Thomas VIAL 003b89c98b Fixed typo / text format 2016-04-19 23:25:54 +02:00
angus d90e67e920 Fixes paths for SSL setup, spamassassin and postfix addon config. 
Fixes error from logrotate when fail2ban is disabled (failure
when reloading the service).
 2016-04-19 00:30:56 +02:00
Thomas VIAL 3f79b6ef7a Changed log configuration to Dockerfile #109 2016-04-18 23:21:03 +02:00
Thomas VIAL 2c6fdf51c1 Changed log configuration to Dockerfile instead of start-mailserver.cf 2016-04-18 23:18:19 +02:00
Thomas VIAL 180390107e Changed Fail2ban config for #109 2016-04-18 22:57:39 +02:00
Thomas VIAL 72d7207690 Fixing last tests on fail2ban regarding #102 and docker-mailserver v2 2016-04-17 22:59:35 +02:00
Thomas VIAL 2adc559a43 Fixed part of tests for #109 2016-04-15 21:02:41 +02:00
Thomas VIAL d6f9ffe9a6 Fixed some tests for #109 2016-04-13 23:16:46 +02:00
Thomas VIAL 545922fefa Fixed paths 2016-04-13 21:43:15 +02:00
Thomas VIAL fc2e2ae591 Added folder target, simplified user configuration, few renames... Need to work on tests.... 2016-04-12 00:04:33 +02:00