Emails arriving showing a sender's address which is not mine

On a couple of occasions the email I have sent using my one and only (gmail) email address has arrived with the recipient showing the sender's address as an iCloud email address. I don't have an iCloud address. What's going on?

iMac, OS X 10.10

Posted on Dec 3, 2025 4:24 AM

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Emails arriving showing a sender's address which is not mine

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