Re: [CentOS] Spamassassin for Centos 6.3

2013-01-10 Thread Robert Moskowitz

On 01/04/2013 11:53 AM, Ned Slider wrote:
 On 04/01/13 15:59, Robert Moskowitz wrote:
 In http://wiki.centos.org/HowTos/Amavisd

 there is a recommendation to NOT use the version that comes with Centos
 6.3, but to get the more current version from RPMForge.

 Is this the 'correct' thing to do on a Centos-based mail server?


 There is no correct thing to do or not to do - it's simply a
 recommendation (BTW, I wrote the guide).


I am working some more off your guide.

What is clamav-devel need for?

In the userid check:

# cat /etc/passwd | grep amavis\|clamav

I get the clamav userid as clam, not clamav. Same way with the group 
being clam, not clamav and neither are added to the amavis group. So 
what to do? Am I doing something wrong or has clamav changed so that 
your howto needs updating?


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Re: [CentOS] Spamassassin for Centos 6.3

2013-01-10 Thread Robert Moskowitz

On 01/10/2013 03:10 PM, Robert Moskowitz wrote:
 On 01/04/2013 11:53 AM, Ned Slider wrote:
 On 04/01/13 15:59, Robert Moskowitz wrote:
 In http://wiki.centos.org/HowTos/Amavisd

 there is a recommendation to NOT use the version that comes with Centos
 6.3, but to get the more current version from RPMForge.

 Is this the 'correct' thing to do on a Centos-based mail server?


 There is no correct thing to do or not to do - it's simply a
 recommendation (BTW, I wrote the guide).

 I am working some more off your guide.

 What is clamav-devel need for?

 In the userid check:

 # cat /etc/passwd | grep amavis\|clamav

 I get the clamav userid as clam, not clamav. Same way with the group
 being clam, not clamav and neither are added to the amavis group. So
 what to do? Am I doing something wrong or has clamav changed so that
 your howto needs updating?

The clamd and amavisd services are installed off, and have to be enabled 
with chkconfig ... on.

Oh, also, there is a clamd.amavisd service. Should that be set to on?


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Re: [CentOS] Spamassassin for Centos 6.3

2013-01-04 Thread Ned Slider
On 04/01/13 15:59, Robert Moskowitz wrote:
 In http://wiki.centos.org/HowTos/Amavisd

 there is a recommendation to NOT use the version that comes with Centos
 6.3, but to get the more current version from RPMForge.

 Is this the 'correct' thing to do on a Centos-based mail server?



There is no correct thing to do or not to do - it's simply a 
recommendation (BTW, I wrote the guide).

It's a recommendation based on the fact that Red Hat can be slow to 
update the SpamAssassin package so the version in rpmforge is invariably 
more likely to be current.

Take now as an example, the distro version is 3.3.1 and rpmforge has the 
current 3.3.2 version in their extras repository. The changelog shows SA 
was updated to 3.2.2 on Wed Jun 22 2011 by rpmforge so at this point in 
time upstream (Red Hat) is at least 18 months behind.

Based on the above information, hopefully you can make an informed 
choice that is right for you.

Hope that helps.

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Re: [CentOS] Spamassassin for Centos 6.3

2013-01-04 Thread Robert Moskowitz

On 01/04/2013 11:53 AM, Ned Slider wrote:
 On 04/01/13 15:59, Robert Moskowitz wrote:
 In http://wiki.centos.org/HowTos/Amavisd

 there is a recommendation to NOT use the version that comes with Centos
 6.3, but to get the more current version from RPMForge.

 Is this the 'correct' thing to do on a Centos-based mail server?


 There is no correct thing to do or not to do - it's simply a
 recommendation (BTW, I wrote the guide).

 It's a recommendation based on the fact that Red Hat can be slow to
 update the SpamAssassin package so the version in rpmforge is invariably
 more likely to be current.

 Take now as an example, the distro version is 3.3.1 and rpmforge has the
 current 3.3.2 version in their extras repository. The changelog shows SA
 was updated to 3.2.2 on Wed Jun 22 2011 by rpmforge so at this point in
 time upstream (Red Hat) is at least 18 months behind.

 Based on the above information, hopefully you can make an informed
 choice that is right for you.

 Hope that helps.

I have been looking at the same issue WRT Postfix.  There the 
differences are probably greater between what is available in source and 
what is in 6.3.  But I need to resist going with source building, as 
then I have to spend more time than I have staying up with fixes.  I 
want an RPM repo to fit into the YUM process.

I guess I need some good information on what is reasonable to replace 
and how to initially build a system via kickstart with the 'best' rpms.

BTW, I have started this effort following:

http://www.campworld.net/thewiki/pmwiki.php/LinuxServersCentOS/Cent6VirtMailServer

Correcting things as I go.


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Re: [CentOS] Spamassassin for Centos 6.3

2013-01-04 Thread Nux!
On 04.01.2013 17:12, Robert Moskowitz wrote:
 I have been looking at the same issue WRT Postfix.  There the
 differences are probably greater between what is available in source 
 and
 what is in 6.3.  But I need to resist going with source building, as
 then I have to spend more time than I have staying up with fixes.  I
 want an RPM repo to fit into the YUM process.

Very good. Newest != best. :)
It's likely that if you have a problem or you're getting too much spam 
is not primarily because the package is slightly old. In my case the 
secret was to train it, feed it new spam regularly.
Currently my stock SpamAssassin protected Inbox gets less spam than my 
gmail account and they're both getting similar levels of traffic.


 BTW, I have started this effort following:

 
 http://www.campworld.net/thewiki/pmwiki.php/LinuxServersCentOS/Cent6VirtMailServer

I would have loved that some years ago. Nowadays I just use system 
users and webmin to manage them (or just some scripts).

-- 
Sent from the Delta quadrant using Borg technology!

Nux!
www.nux.ro
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Re: [CentOS] Spamassassin for Centos 6.3

2013-01-04 Thread Les Mikesell
On Fri, Jan 4, 2013 at 12:05 PM, Nux! n...@li.nux.ro wrote:
 what is in 6.3.  But I need to resist going with source building, as
 then I have to spend more time than I have staying up with fixes.  I
 want an RPM repo to fit into the YUM process.


 BTW, I have started this effort following:


 http://www.campworld.net/thewiki/pmwiki.php/LinuxServersCentOS/Cent6VirtMailServer

 I would have loved that some years ago. Nowadays I just use system
 users and webmin to manage them (or just some scripts).

If you only have system users you could probably get by with ClearOS
or SMEserver and never have to deal directly with anything but the web
interface.

-- 
   Les Mikesell
 lesmikes...@gmail.com
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Re: [CentOS] Spamassassin under CentOS-6.3

2012-08-31 Thread Mihamina Rakotomandimby
On 08/31/2012 04:56 PM, Timothy Murphy wrote:
 It appears to be running OK, but only catches about 20% of my spam.

If you have old rules and as far as spam evolves, that situation is fair

 I wonder if others have experienced this decline?

No.

 I suspect that sa-learn is not performing properly.
 (I run sa-learn nightly on my spam,
 which is saved in ~/Maildir/.Spam/cur/ ,
 through the default spamassassin installation.)

- how old is the Spam to feed sa-learn with?
- what weight do you give to bayesean detection?

 Eg I receive more or less identical spam many times
 without it being caught.


 Also, about 35% of the spam that gets through
 is in foreign languates - Russian, Chinese, Arabic and Turkish -

Those are local langages for some...

 One difficultly I have is that there seem many places
 where one can make changes in spamassassin settings.
 Am I right in thinking that all such changes can be made
 in .spamassassin/user_prefs ?

Seems OK

 What should I put in this file to change the score for eg
3.5 BAYES_99   BODY: Bayes spam probability is 99 to 100%

Advices:
- SA can be asked to report the scores in one header: make it reports 
and analyze the scoring
- SA has a mailingg list you could also trigger in order to help



-- 
RMA.
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Re: [CentOS] Spamassassin under CentOS-6.3

2012-08-31 Thread Reinhard Kotucha
On 2012-08-31 at 17:57:01 +0300, Mihamina Rakotomandimby wrote:

  On 08/31/2012 04:56 PM, Timothy Murphy wrote:

   Also, about 35% of the spam that gets through is in foreign
   languates - Russian, Chinese, Arabic and Turkish -
  
  Those are local langages for some...

Unfortunately you don't say what ... stands for.  If it stands for
users, you are right.

But Timothy's statement is about a program.  And it's a matter of fact
that the languages mentioned above had been neglected by programmers
in the past.  It was a stony way to get to UTF-8, for example, because
too many programmers believed that ISO-8859 is sufficient for everyone.

And Timothy only said what he observed with no discrimination in mind.

Regards,
  Reinhard

-- 

Reinhard Kotucha  Phone: +49-511-3373112
Marschnerstr. 25
D-30167 Hannover  mailto:reinhard.kotu...@web.de

Microsoft isn't the answer. Microsoft is the question, and the answer is NO.

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