Mike,
To stop the sex emails you need a spam filter - we have a linux server
and use spamassassin (its free and you can apply it at varying degrees
per domain).

It still lets the message through but it changes it (see below)
----------------------------------------------------------
This mail is probably spam.  The original message has been attached
along with this report, so you can recognize or block similar unwanted
mail in future.  See http://spamassassin.org/tag/ for more details.

Content preview:  The Marketing Effectively How to Grow Your Business
  [...] 

Content analysis details:   (19.10 points, 5 required)
SUBJ_REMOVE        (0.5 points)  BODY: List removal information
REMOVE_SUBJ        (0.9 points)  BODY: List removal information
OFFER              (0.1 points)  BODY: Free Offer
HTML_LINK_CLICK_HERE (0.1 points)  BODY: HTML link text says "click
here" HTML_FONT_COLOR_RED (0.1 points)  BODY: HTML font color is red
HTML_MESSAGE       (0.1 points)  BODY: HTML included in message
HTML_FORM_ACTION_MAILTO (4.3 points)  BODY: HTML includes a form which
sends mail HTML_FONT_COLOR_UNSAFE (0.1 points)  BODY: HTML font color
not within safe 6x6x6 palette
HTML_50_60         (0.5 points)  BODY: Message is 50% to 60% HTML
MAILTO_WITH_SUBJ_REMOVE (0.5 points)  BODY: mailto URI includes removal
text
MAILTO_WITH_SUBJ   (0.0 points)  URI: Includes a link to send a mail
with a subject
MAILTO_TO_REMOVE   (0.3 points)  URI: Includes a 'remove' email address
MAILTO_TO_SPAM_ADDR (0.4 points)  URI: Includes a link to a likely
spammer email address
FORGED_AOL_RCVD    (4.3 points)  Received forged, contains fake AOL
relays
MSG_ID_ADDED_BY_MTA_2 (0.4 points)  'Message-Id' was added by a relay
(2) DATE_IN_FUTURE_12_24 (2.8 points)  Date: is 12 to 24 hours after
Received: date
CLICK_BELOW        (0.1 points)  Asks you to click below
MIME_HTML_ONLY     (0.1 points)  Message only has text/html MIME parts
FORGED_MUA_OUTLOOK (3.5 points)  Forged mail pretending to be from MS
Outlook

The original message did not contain plain text, and may be unsafe to
open with some email clients; in particular, it may contain a virus, or
confirm that your address can receive spam.  If you wish to view it, it
may be safer to save it to a file and open it with an editor.
------------------------------------------------------------------------
---------------------------------------

I then use outlook to send all the messages like this to the deleted
items box (sometimes it incorrectly classifies emails) 
but overall it does a great job of keeping penis enlargement ads from my
inbox

To provide virus protection at the server there are a few options - try
a google search (we are looking at vexira - from central command
http://www.centralcommand.com/vexira_mailarmor_linux.html ), but it
really should be done locally as well.

hth

Steve Soars
Interactive Redlands
 
www.i-redlands.net
 
Shop 2 Cleveland Town Square
Cnr Queen & Bloomfield Sts
Cleveland Qld Australia 4163
p: +61 7 3821-5800
f: +61 7 3821-5811
 
Instant Messaging
msn: [EMAIL PROTECTED]
icq: 298661060
yahoo: [EMAIL PROTECTED]


-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Mike Kear
Sent: Wednesday, 27 August 2003 12:39 AM
To: CFAussie Mailing List
Subject: [cfaussie] OT: Anyone got an effective anti-spam and anti-virus
program at the server level?



I got a message from one of my clients today, whose web site I host, and
here's what he said  ... I'd like to know if anyone's got any effective
measures to do what he wants .....



[quote]
Could you ask your hosting company to virus-detect the emails and stop
all these sex emails coming to us almost 10 emails every day. If they
can not do this I have to move my hosting from you. In past few weeks we
have lost our server due to infected emails and down time has been 30%
this is not satisfactory. [/quote]



My initial reaction is to tell him he's living in lala-land if he thinks
he can stop spam, specially since his website has his email address on
it in a dozen places, but before I did that I thought I'd check and see
what you
guys think ..    Only TEN?? Porn emails a day?   And how many
opportunities
a day to share in US$30 million from some corrupt official in Nigeria?
(Perhaps he's treating those as serious propositions).




Cheers,
Michael Kear
Windsor, NSW, Australia
AFP Webworks.



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