Steven Lobbezoo wrote:> Hi, > > Since many years now I use exim (now 4) on my server at complete > satisfaction. > > However, now i''m getting problems with spammers, not a fault of exim, > and i donnot know how to handle them. > > Some spammers use an e-mail addres from my system to send spam all over > the world. > The header looks like this : > > Received: from 78.56.135.86 ([78.56.135.86]) by alojamientowindows.net > with MailEnable ESMTP; Tue, 13 May 2008 17:40:22 -0500 > Message-ID: <000801c8b54a$04445066$612e18b1 at qpflitn> > From: "S0MA is your reliable pain relief." <webmaster at la-france.net> > To: <ventas at regalandoflores.com> > Subject: Revolution in the PE science > Date: Tue, 13 May 2008 20:52:57 +0000 > MIME-Version: 1.0 > Content-Type: multipart/related; > type="multipart/alternative"; > boundary="----=_NextPart_000_0003_01C8B54A.043FF9BB" > X-Priority: 3 > X-MSMail-Priority: Normal > X-Mailer: Microsoft Outlook Express 6.00.2900.3138 > X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 > > This is a multi-part message in MIME format. > > ------=_NextPart_000_0003_01C8B54A.043FF9BB > Content-Type: multipart/alternative; > boundary="----=_NextPart_001_0004_01C8B54A.043FF9BB" > etc. etc. > > As you can see, From adress is webmaster at la-france.net (thats me) but > the message is send from 78.56.135.86 (thats NOT me). > The result is that i''m inondated with messages from postmasters > everywhere telling me the target does not exists or that the mail was > clasified as spam. > > Now, for obvious reasons, i cannot block all mail coming from > postmasters. > > Is there any solution to this problem ? > > Thanks, > > Steven >Spam is a perrenial problem that is ever changing. You can try some of the idea in this link http://tldp.org/HOWTO/html_single/Spam-Filtering-for-MX/ Which might help you cut down on spam. You might also consider a professional anti-spam service. Regards Neil -- Neil Briscoe CensorNet Ltd - professional & affordable Web & E-mail filtering neil.briscoe at censornet.com web: www.censornet.com tel: 0845 230 9592 / fax: 0845 230 9591 / main office: 0845 230 9590 snail: The Old Post Office, Bristol Rd, Hambrook, Bristol BS16 1RY. UK. MSN: nbriscoeuk at hotmail.co.uk CensorNet Ltd is a registered company in England & Wales No. 05518629 VAT registration number 901-2048-78 Any views expressed in this email communication are those of the individual sender, except where the sender specifically states them to be the views of a member of CensorNet Ltd. CensorNet Ltd does not represent, warrant or guarantee that the integrity of this communication has been maintained nor that the communication is free of errors or interference. ------------------------------------------------------------------------------------ Scanned for viruses, spam and offensive content by CensorNet MailSafe Professional Web & E-mail Filtering from www.censornet.com Shortlisted for the BETT Awards 2008! www.bettawards.co.uk
Hi,
Since many years now I use exim (now 4) on my server at complete
satisfaction.
However, now i''m getting problems with spammers, not a fault of exim,
and i donnot know how to handle them.
Some spammers use an e-mail addres from my system to send spam all over
the world.
The header looks like this :
Received: from 78.56.135.86 ([78.56.135.86]) by alojamientowindows.net
with MailEnable ESMTP; Tue, 13 May 2008 17:40:22 -0500
Message-ID: <000801c8b54a$04445066$612e18b1 at qpflitn>
From: "S0MA is your reliable pain relief." <webmaster at
la-france.net>
To: <ventas at regalandoflores.com>
Subject: Revolution in the PE science
Date: Tue, 13 May 2008 20:52:57 +0000
MIME-Version: 1.0
Content-Type: multipart/related;
type="multipart/alternative";
boundary="----=_NextPart_000_0003_01C8B54A.043FF9BB"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2900.3138
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198
This is a multi-part message in MIME format.
------=_NextPart_000_0003_01C8B54A.043FF9BB
Content-Type: multipart/alternative;
boundary="----=_NextPart_001_0004_01C8B54A.043FF9BB"
etc. etc.
As you can see, From adress is webmaster at la-france.net (thats me) but
the message is send from 78.56.135.86 (thats NOT me).
The result is that i''m inondated with messages from postmasters
everywhere telling me the target does not exists or that the mail was
clasified as spam.
Now, for obvious reasons, i cannot block all mail coming from
postmasters.
Is there any solution to this problem ?
Thanks,
Steven
Steven Lobbezoo wrote:> However, now i''m getting problems with spammers, not a fault of exim, > and i donnot know how to handle them. >Hiya http://wiki.exim.org/SpamFiltering Whats proven to be successful for me, is using a multitude of options / services. e.g. HELO checks (This helps quite a lot) Greylisting DNS blacklists (considered old, but I still use it, and it works)( http://en.wikipedia.org/wiki/Comparison_of_DNS_blacklists ) Spamassin + bogofilter Best of luck. Brent Clark
On Mon, May 19, 2008 at 11:26:39AM +0200, Steven Lobbezoo wrote:> Is there any solution to this problem ?None that is entirely recommendable, unfortunately. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don''t trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834 Nordisch by Nature | How to make an American Quilt | Fax: *49 3221 2323190
On Mon, May 19, 2008 at 10:20:09AM +0100, Neil S. Briscoe wrote:> Spam is a perrenial problem that is ever changing. > > You can try some of the idea in this link > > http://tldp.org/HOWTO/html_single/Spam-Filtering-for-MX/ > > Which might help you cut down on spam.Please note that the original poster is asking for a solution against spam _backscatter_, which is not so easily solved. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don''t trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834 Nordisch by Nature | How to make an American Quilt | Fax: *49 3221 2323190