> Most of the spam that I get is coming from Netherlands, 
> Germany, France, Italy and so on and so on.

Why do you know from where the message is comming from?
Note that a message having a sender address like [EMAIL PROTECTED] can
come from everywhere around the world.


> Is there anyway to block these based on the country?  

Using Declude Pro you can use the all_list.dat file. With this file declude
is able to resolve IP-Adresses to the assigned countries.

Based on your question I assume that at the moment you don't know exactly
from where your spam is comming from really.

Below you can see a report from our server created on 11/07/2003:
>From 7880 hold spam messages that was delivered to our server in Italy 
they was sent from or delivered trough

   3411 UNITED STATES
   1177 [IANA Reserved]
    950 CHINA
    690 ITALY
    481 [Unknown]
    418 KOREA-KR
    344 CANADA
    327 BRAZIL
    266 GERMANY
    218 [ARIN Unlisted]
    198 UNITED KINGDOM
    168 [Multicast]
    148 FRANCE
    141 MEXICO
    127 SPAIN
    122 JAPAN
     99 NETHERLANDS
     90 SWEDEN
     88 RUSSIAN FEDERATION
     86 TAIWAN
     81 [RIPE Unlisted]
     74 VENEZUELA
     61 INDIA
     58 POLAND
     58 ISRAEL
     58 CHILE
     58 AUSTRIA
     58 AUSTRALIA
     56 ARGENTINA
     41 HONG KONG
     38 SWITZERLAND
     35 BELGIUM
     33 [APNIC Unlisted]
     22 FINLAND
     22 DENMARK
     22 [Central/South America]
     18 TURKEY
     18 SLOVENIA
     17 NEW ZEALAND
     17 HUNGARY
     15 THAILAND
     14 PHILIPPINES
     13 NORWAY
     13 MALAYSIA
     12 PORTUGAL
     12 PERU
     12 EGYPT
     11 SINGAPORE
     11 [Public Data Network]
      9 COLOMBIA
      7 UNITED ARAB EMIRATES
      7 SOUTH AFRICA
      7 SAUDI ARABIA
      7 IRAN
      6 NIGERIA
      6 ESTONIA
      6 CZECH REPUBLIC
      6 BAHRAIN
      5 TRINIDAD AND TOBAGO
      5 SLOVAKIA
      5 PALESTINE
      5 PAKISTAN
      5 OMAN
      5 LUXEMBOURG
      5 LATVIA
      5 KUWAIT
      5 [Multi-Regional]
      4 ROMANIA
      4 PANAMA
      4 MALTA
      4 ICELAND
      4 GREECE
      4 EL SALVADOR
      3 IRELAND
      3 INDONESIA
      3 BOLIVIA
      2 UKRAINE
      2 TUNISIA
      2 MOROCCO
      2 LITHUANIA
      2 JORDAN
      2 ECUADOR
      2 DOMINICAN REPUBLIC
      2 BARBADOS
      2 ALGERIA
      1 YUGOSLAVIA
      1 VIET NAM
      1 URUGUAY
      1 TOGO
      1 SUDAN
      1 SENEGAL
      1 PUERTO RICO
      1 MAURITIUS
      1 LAO
      1 KENYA
      1 GIBRALTAR
      1 GEORGIA
      1 CROATIA
      1 COTE D'IVOIRE
      1 COSTA RICA
      1 BULGARIA
      1 BAHAMAS
      1 AZERBAIJAN

I can't immagine that spammers are smart enough to send spam only from
oversea (in both directions)

If you can see a lot of spam messages having .de/.fr/.nl sender domains and
you're pretty sure that nobody on your server will repeatedly receive a
legit message from such a sender domain that you can assign an accurate
weight to it.

Markus

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