"Spam" is the use of electronic messaging systems to send unsolicited bulk messages, especially advertising, indiscriminately. While the most widely recognized form of spam is e-mail spam, the term is applied to similar abuses in other media, such as mobile phones.

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how to check DKIM signatures in emails

I'm looking for a gmail-compatible app that can check DKIM signatures on incoming emails. Also, i'd like my outgoing emails to be signed correctly, so they are less likely to be filtered as spam... ...
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How to undo “flag as spam” for the Google play store?

It's a simple and short question: I've accidentally marked some reviews for some apps as spam, and they were removed (or were hidden from me). How can I undo my mistakes? The problem with clicking ...
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How to block SMSs from certain “named” senders?

There are many tools around to block unwanted SMSs. Samsung Galaxy S3's Jelly Bean offers a native call&sms blocker too. But some senders are not phone numbers, they are alphanumeric strings. I ...
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Got text message with 'download' button, how would I look at the link source or gain further info to see if this is safe? 2.3.6metropcs

In the 'messaging' app that comes standard with metropcs, I received a text message that had 'no subject' and was just a download button. I know the person, so there is no need to mention not to trust ...
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sms anti-spam application compatible with android 4.4 & hangouts?

I want to block spam sms, at the same time I want to keep using hangouts for sms. Is it possible? What application should I install?
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spam settings menu missing from messaging app settings menu

I have a number I want to block (I can block it from phone calls but I also want to block texts.). So I googled and the solution was very easy - just add it through the spam settings menu in the ...