Re: Spam mail addressed to other addresses
From: Vanguard (see_signature)
Date: 01/04/05
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Date: Tue, 4 Jan 2005 17:37:26 -0600
"Paul True" <PaulTrue@discussions.microsoft.com> wrote in message
news:2DD6B5DA-E9EA-429F-B1CD-A9A37E0BD896@microsoft.com...
> Norman
>
> Thank you for responding. I think I should have said that my mail
> server is
> an http server. I tried filtering on delete from server messages not
> to: my
> email address or name(s), (Paul True, Paul etc.), to no avail and then
> figured out that filters apply to POP3 accnts only. Should I go back
> to a
> pop3 accnt or can I filter mail through MSN Hotmail or what? I did not
> notice
> this problem; getting other peoples spam mail, until I restarted my
> MSN accnt
> after reformating hard drive. Isn't MSN responsible for not sending me
> someone else's pornographic or obscene advert's? I don't visit porn
> sites and
> I haven't opened any of these spams. I use Ad-Aware SE, Ad-Watch,
> Norton
> SystemWorks, I don't click on ads or open mail I don't recognize. Why
> am I
> receiving Male Enhancement spam addressed to jayjaycolorado@msn.com!?
You can define server-side rules in your Hotmail account. Logon to your
Hotmail account, go under options, and create filters. Even if you have
client-side rules defined in your e-mail client, define them also on the
server for those you can duplicate. Server-side rules means you don't
need you computer up when the e-mail arrives and you don't need to waste
the bandwidth, time, CPU cycles, and disk space to download them to only
end up exercising the same rules to delete those e-mails that you could
have done using server-side rules.
You could define a rule that deletes or moves messages that do not
contain your e-mail address in the To or Cc headers, like:
Deliver mail
that does NOT contain "yourname@hotmail.com"
in the To or Cc lines
to my "Junk E-mail" folder (which holds suspect e-mails for 5
days)
If you configure Hotmail to retain junk for awhile, you can catch false
positives of this rule. If you configure it to immediate delete junk
then it disappears from your account, so you might as well as have had
the rule trash the message in the first place. Some bulk mailers, like
newsletters to which you subscribe, will NOT have you listed in the To
or Cc headers. You'll need to define whitelist rules to keep any
e-mails that you normally receive and want but which don't list you in
the To or Cc headers.
Be aware that the Hotmail server-side rules have an implied stop clause.
If a rule fires, no subsequent rules get exercised against the message.
In Outlook [Express], you would have to use the stop clause to do the
same; otherwise, all the rules get OR'd, and you may perform an action
on a message that gets changed on a subsequent rule. With Hotmail's
server-side filtering rules, you don't get to OR the effect of your
rules. A message with a subject of "testing rule order XXX YYY" where
you have the rules in the following order:
1. Deliver mail that contains YYY to First folder
2. Deliver mail that contains XXX to Second folder
Will end up with the message in the First folder. Rule 1 triggered and
its implied stop prevented rule 2 from altering the action of rule 1.
If you switch the rules so they are ordered as:
1. Deliver mail that contains XXX to Second folder
2. Deliver mail that contains YYY to First folder
The test e-mail ends up in your Second folder because the first rule
triggered and its implied stop prevented running rule 2. So the first
rule that triggers on your e-mail aborts further processing of any more
rules. That is, only one rule will ever fire on your e-mail: those that
don't fire, the one that does fire, and no more get exercised.
The recipient of an e-mail is dictated by the RCPT command that the
e-mail client sends to the SMTP server. That has nothing to do with the
To, Cc, or Bcc headers that are part of the *data* of the sender's
message (other than the client uses those fields to build a list of
recipients to specify in RCPT commands). That data which included the
To, Cc, and Subject headers is sent via the DATA command. In fact, the
To, Cc, and Bcc headers are optional as they may appear zero or one
times, so they are not used for specifying the recipient. That's why
you can get e-mails with nothing in the To or Cc header (because they're
not there), or some bogus e-mail address in the To or Cc headers
(because those are used to specify the recipient and are informational
only), or a string of text that doesn't even contain an e-mail address,
like "Attention all Viagra users". It might have nothing in the Subject
header (that's optional, too). You didn't get someone else's e-mail
containing porn. You got YOUR e-mail containing porn.
If you want to know how SMTP works, read the following:
RFC 2821
Simple Mail Transfer Protocol
(http://www.cse.ohio-state.edu/cgi-bin/rfc/rfc2821.html)
RFC 2822
Internet Message Format
http://www.cse.ohio-state.edu/cgi-bin/rfc/rfc2822.html
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