HOWTO Kmail and Spamassassin
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K Desktop Environment |
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Location: HOWTO Kmail and Spamassassin |
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[edit] Securing Kmail
You can secure Kmail by using SpamAssassin and ClamAV
[edit] SpamAssassin
This is tested for Spamassassin v3.1.0
You need Spamassassin emerged and configured. It is better to have the daemon spamd running, to avoid permanent program starting delays. "rc-update add spamd default" will start the daemon at startup. Access to spamassassin is then done through the client spamc.
You have three configuration files with version 3.x :
- v310.pre in /etc/mail/spamassassin is the plugin configuration file
- local.cf in /etc/mail/spamassassin is the system-wide configuration file
- user_prefs in /home/joe-user/.spamassassin is the local configuration file of joe-user
Whitelists and blacklists can be defined in local.cf or user_prefs like, for example (see this thread):
whitelist_from *@kickingdragon.com whitelist_from *@megatron.kickingdragon.com blacklist_from blythe@01casinos.com
Once everything is configured, you can play with spamassassin in console:
spamassassin -D < mail-message
or
spamassassin -D --lint
will show a lot of debug messages and inform you if the plugins are working etc.
The literature often says that spamassassin modifies the message headers. This is wrong. Spamassassin outputs a modified version of the mail to the output you specify.
spamassassin < mail-message > new-mail-message.txt will save the modified mail message for filtering.
[edit] ClamAV
Install ClamAV
emerge -av clamav
Include clamd in the default runlevel
rc-update add clamd default
[edit] Integrate these programms with Kmail
To integrate spamassassin and ClamAv in kmail, run the appropiate wizards (Tools -> Anti-Spam Wizard; Tools -> Anti-Virus Wizard).
With spamassasin, it will set up two filters which will be applied to classify incoming email. You can manually apply the filters on email which is wrongly classified - spamassassin's statistical learning rules will be updated when you do this.
