Helping people with computers... one answer at a time.
You can't effectively block a spammer's ID, IP address, or "from" email address because they'll just change it and keep sending spam. There's only one way to battle spam.
I don't know much about PCs. I'm receiving emails in my spam that are undesired and inappropriate. I was told not to open these but how can I obtain their ID to block them from continuing this unwanted material? A simple explanation would be appreciated. I went into Options but I didn't find any solution.
In this excerpt from Answercast #98 I look at the difficulties in blocking spammers by their ID's or "from" address.
The simple explanation is... you can't do what you want.
What you want to do is block these senders. The problem is that using the information in the spam that you have already received will not block the senders.
The problem here is that spammers are really, really devious. They send things from different places, from different addresses, from different accounts - or they make it look like it comes from different places and from different accounts.
So, if for example, you went through and you said, "Okay, fine, here's a piece of spam, here's who it's from. I'm going to block that person." You know what? The next piece of spam is going to come from somebody else. Blocking that person, from that one piece of spam that you just got, isn't going to help you one bit.
The only thing that you should be doing with spam is making sure that your email program, or your email service, is appropriately throwing it into the spam folder. And then ignore it.
If you find spam in your inbox, make sure that you mark it as "spam" so that your email program or email service learns what is spam.
Conversely, if you find legitimate email in your spam folder, mark it as "not spam". This too, helps your email program, or your email service, learn what is and is not spam.
What these services and programs do is they don't look at who the email is from - they don't necessarily look at the IP address or the computer that it's from; although it can factor in.
What they look at is the content of the email. They try and understand what the email is about to a certain degree. And then, learning what that email is about, and what you consider to be spam, they will then (eventually) start automatically marking those emails that you said, "You know what, email like this, it's spam," - they'll automatically start marking that email as spam and throwing it into your spam folder.
Having it go to your spam folder is the best thing to do. You cannot block
it; you cannot block it reliably. Almost any attempt to truly block spam will
either tell the spammers that you are real and that you will now get
more spam, or it will be completely ineffective.
(Transcript lightly edited for readability.)
Next from Answercast 98- How do I know what sites to enable in NoScript?
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