On Fri, Apr 24, 2009 at 01:31:37PM -0700, John Hardin wrote:
> On Fri, 24 Apr 2009, Igor Chudov wrote:
>
>> I get plenty of these also, and cannot get them to score well.
>>
>>       http://igor.chudov.com/tmp/spam008.txt
>>
>> Any ides what I can do?
>
> Do you have administrative access to ak74.algebra.com? That looks like  
> it's your MX host.

Yep, it is my MX host. I have root access, it is a 5 year old Fedora 3
server. 

> If so, a MTA rule that rejects any message from the internet having a 
> HELO without a period may block a lot of that. I'm seeing an increase in 
> the number of messages with that particular flaw:
>
>     217 Mar 23
>     129 Mar 24
>     208 Mar 25
>     212 Mar 26
>     207 Mar 27
>     149 Mar 28
>     143 Mar 29
>     138 Mar 30
>     135 Mar 31
>     172 Apr 1
>     155 Apr 2
>      83 Apr 3
>     121 Apr 4
>     123 Apr 5
>     126 Apr 6
>     141 Apr 7
>     124 Apr 8
>     151 Apr 9
>     125 Apr 10
>     144 Apr 11
>     139 Apr 12
>     199 Apr 13
>     332 Apr 14
>     197 Apr 15
>     249 Apr 16
>     279 Apr 17
>     385 Apr 18
>     440 Apr 19
>     355 Apr 20
>     419 Apr 21
>     531 Apr 22
>     326 Apr 23
>
> If not, a SA rule that looks for such a HELO in the Received: header that 
> ak74.algebra.com adds might help.
>

Do you have examples of both kinds of such rules? 

I am especially interested in the mailserver side, as I have a lot of
accounts handled by that server. 

i

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