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Obsolete Releases => SME Server 7.x => Topic started by: Gaetan on November 04, 2011, 11:09:55 AM

Title: Filter / reject spam messages based on subject
Post by: Gaetan on November 04, 2011, 11:09:55 AM

Hi,
Is there a way to filter messages based on the subject.
We get a lot of spam messages that are indeed flagged as spam ... unfortunately, it looks like we can only reject messages based on the sender address ... not the message subject.
Can someone clarify please ?
Thanks

Title: Re: Filter / reject spam messages based on subject
Post by: Stefano on November 04, 2011, 11:44:07 AM

I suggest you to enable RHSBL and DNSBL on your server..

are you using fetchmail?

please post the result of

Code: [Select]

config show qpsmtpd


Title: Re: Filter / reject spam messages based on subject
Post by: Gaetan on November 07, 2011, 03:24:12 PM

Hi,
Sorry for late reply.

Here the requested info:

config show qpsmtpd
qpsmtpd=service
    Bcc=disabled
    BccMode=cc
    BccUser=maillog
    DNSBL=enabled
    LogLevel=8
    MaxScannerSize=25000000
    RBLList=whois.rfc-ignorant.org:dnsbl.njabl.org:zen.spamhaus.org
    RHSBL=enabled
    RequireResolvableFromHost=yes
    SBLList=dsn.rfc-ignorant.org
    TlsBeforeAuth=1
    access=public
    qplogsumm=disabled
    status=enabled



Gaëtan

Title: Re: Filter / reject spam messages based on subject
Post by: Stefano on November 07, 2011, 03:31:01 PM

I would add some list to RBLList and SBLList

Code: [Select]

[root@srvsrv ~]# config show qpsmtpd
qpsmtpd=service
    Authentication=enabled
    BadCountries=RU
    Bcc=disabled
    BccMode=cc
    BccUser=maillog
    DNSBL=enabled
    GeoIP=enabled
    LogLevel=6
    MaxScannerSize=25000000
    RBLList=bl.spamcop.net:combined.njabl.org:dnsbl.ahbl.org:list.dsbl.org:multihop.dsbl.org:zen.spamhaus.org
    RHSBL=enabled
    RequireResolvableFromHost=yes
    SBLList=bogusmx.rfc-ignorant.org:multi.surbl.org:black.uribl.com:rhsbl.sorbs.net:bulk.rhs.mailpolice.com:fraud.rhs.mailpolice.com:porn.rhs.mailpolice.com:adult.rhs.mailpolice.com:ex.dnsbl.org
    TlsBeforeAuth=1
    access=public
    qplogsumm=disabled
    status=enabled

actually, we have almost no spam

Title: Re: Filter / reject spam messages based on subject
Post by: Gaetan on November 07, 2011, 03:34:29 PM

Hi,
Thanks. I will try to add those lists.

I have actually install the contrib "E-mail WBL".
In "Black Lists: REJECT",  there are 2 sections:
qpsmtpd badhelo
qmail badmailfrom    


How do you use them ?
Gaëtan

Title: Re: Filter / reject spam messages based on subject
Post by: mmccarn on November 08, 2011, 01:14:02 PM

Quote from: Gaetan on November 04, 2011, 11:09:55 AM

Hi,
Is there a way to filter messages based on the subject.
We get a lot of spam messages that are indeed flagged as spam ... unfortunately, it looks like we can only reject messages based on the sender address ... not the message subject.
Can someone clarify please ?
Thanks

If you are trying to automatically delete email that has been tagged as spam by your SME server, you may want to check the spamassassin settings for 'Sensitivity', 'TagLevel', 'RejectLevel' and 'SortSpam'.

All of these can be set in server-manage under E-mail:Change e-mail filtering settings:
Spam filtering Enabled    
Spam sensitivity Custom (I believe this must be set to 'Custom' to enable the next two settings)
Custom spam tagging level <tag email with a score greater than or equal to this number>    
Custom spam rejection level <reject email with a score greater than or equal to this number, but less than the tagging level>
Sort spam into junkmail folder enabled (move 'tagged' spam directly into junkmail)

If you don't already have it enabled, I also recommend enabling Bayesian auto-learning (http://wiki.contribs.org/Email#Bayesian_Autolearning).