Re: iCloud+ full storage alert despite 2TB available
Seems you are suspicious enough to post your question to us, and our intuition is usually to be trusted.
Apple support have an article online (link below) that may be helpful: In the linked article: You can scroll to the different sections shown as an ovrview below. (There's also much more on particular situations).
Eg: Article explains:
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"How to protect your Apple account and devices"
" ... some things you can do to avoid scams that target your Apple account and devices."
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"How to report suspicious emails, messages, and calls
If you receive a suspicious email that looks like it's supposed to be from Apple, please forward it to reportphishing@apple.com.
If you forward a message from Mail on your Mac, include the header information by selecting the message and choosing Forward As Attachment from the Message menu."
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"More information about social engineering attacks, phishing and other scams
Learn how to identify social engineering attacks, recognize phishing messages, handle fraudulent phone calls, and avoid other online scams."
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"How to identify fraudulent emails and messages
Scammers try to copy email and text messages from legitimate companies to trick you into giving them your personal information and passwords. These signs can help you identify phishing emails (more info. in article)"
See how to: Recognize and avoid social engineering schemes including phishing messages, phony support calls, and other scams - Apple Support
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Re: Why does this come with som regularity? SPAM?
Be aware of repeated attempts to scare you, or to get you to click on links, unsubscribe, log-in somewhere, or send personal info. etc. Scammers want personal info., and or money, or ways they can devise to get it.