 | | Re: Denying e-mail based on a word in the body of message -- > in
sendmail 8.11 | Re: Denying e-mail based on a word in the body of message -- > in
sendmail 8.11 2003-04-10 - By Eric Koldeweij
Back
First of all, don't reply on any of those messages. Either the sender of
the spam is not a valid e-mail addres (so the reply will bounce right
back at you) or if it is, they know from your reply your e-mail address
is in use, being read and a good target for even more spam. (that's also
why you should never click on those "click here to stop these messages"
links, they do exactly the opposite)
The easiest way to get rid of most spam is to allow sendmail to check if
the sending mailserver is listed in the Open Relay Database and SpamCop.
What those (free) services do is maintain a list of open relays (ordb)
or known spamservers (spamcop) Sendmail can easily be configured to use
those lists and deny any mail from that server.
More information (including a manual on how to configure sendmail) is to
be found on their respective websites
http://www.ordb.org/
http://spamcop.net/
I found checking just ordb does not stop every spam message. with ordb
and spamcop together I am now spamfree for well over a month but, as a
warning, I know of at least 1 legitimate e-mail which was unrightfully
blocked by spamcop. Neither site claims to be a perfect solution anyway,
so I advise to at least read the online documentation carefully before
using either of these services.
Last but not least, there are more of those (free) services available.
The ones I mentioned are probably the most widely used.
http://www.moensted.dk/spam/ has a list of a few of those services.
Good luck on the spamfighting,
Eric.
gti617 wrote:
>If an e-mail is addressed to one of your group members and it contains the
>word "viagra" within the
>body or subject of the message. How can you block receiving this type
>messages and send a message back
>to the sender; informing them, "to cut the sh.." as a warning.
>
>Please reply. Thanks Kevin
>
>
>
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