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Mac mail coming back

Very strange been sending emails to a friend but all of a sudden they are coming back saying mail demeon permanent error....But they can send an email to me and its only this one person. We have talked about it she does not know why...If I send from my iPhone its okay.. But from iMac they keep coming back...Is it her end? She does not know either...and why just her...

iMac 27″ 5K, macOS 10.14

Posted on Apr 5, 2022 4:48 PM

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Question marked as Top-ranking reply

Posted on Apr 6, 2022 9:58 AM

When your Mac is unable to send email something has happened to either your outgoing user ID or password. Open Mail's Preferences and carefully check them and correct as necessary. If that doesn't work you can delete the account and then reenter it.

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Mac mail coming back

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