HELP! Can't send emails : "Mail wants to sign using key 'privateKey' in your keychain".

This has happened out of the blue and now I am unable to send out any emails. I've done some searching but still have not found a solution. Can any more skilled users help me out?

MacBook Pro 13″, macOS 15.5

Posted on Jul 7, 2025 01:39 PM

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1 reply

Jul 9, 2025 12:02 AM in response to Brenda Lee

Re: Can't send emails : "Mail wants to sign using key 'privateKey' in your keychain".


Wondering if another discussion thread (link below) on a similar topic, which includes trouble-shooting suggestions from a well-respected Community member, may help you find a solution:.

See: Mail wants to sign using key "privateKey"… - Apple Community


If needed:

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Useful resource for MacOS Sequioa: Mail User Guide for Mac - Apple Support

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More support / info. contact options etc: Mail - Official Apple Support website.

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

HELP! Can't send emails : "Mail wants to sign using key 'privateKey' in your keychain".

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