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: Never enter your password or credit card information on a site you reached via an unsolicited text message.

: Some links redirect to sites that sign you up for expensive premium SMS services without your clear consent. How to Protect Yourself DropMMS_com__387mp4

: Use your phone’s built-in tools to block the number that sent the message. : Never enter your password or credit card

: Using ".mp4" at the end of a long, underscores-heavy string is a tactic to make a link look like a video file. DropMMS_com__387mp4

: Most modern smartphones (iOS and Android) have a "Report Junk" or "Report Spam" option within the messaging app to help carrier filters catch these messages in the future.