Tuesday, September 23, 2008

Avoiding Spam mails

If u found any suspicious mail in ur mailbox, dont try to open it.
If u r using Yahoo, GMail, Hotmail etc. which have spam filtering then first of
all move the message to the spam folder (report the mail as spam).
And then u can open the mail.
Why u must not open that mail?
The mail may have images having unique addresses generated
for each mail addresses.
So, when u open the mail from ur inbox, the browser
checks for the image's URL on the server on which the image is hosted
(it is also possible that the image may not b there)
and when the URL is sent they got that u have opened the mail and
ur email address get confirmed.
Now they can send more mails to ur email address.
Why u can open that mail now, if it is in spam folder?
If u have spam filter on and the mail is in the spam folder
then when the mail is opened, the
image's url is not checked/sent to the image hosting site
(until u personally command the browser to load the image)
and ur mail address will not b known by them.
So, always move suspicious mails to the spam folder and then
open them. If u think that it could be fraud then DO NOT reply
to the mail.
In some cases, after some months, u will not receive this type of
mails (if u have not replied the mails or not opened the mails).
While in most cases, after some months, the subject of the mail
will change and it changes to mostly some nudity related.

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