pixelserv-tls Found Unexpected Gmail Login Failure

I can't wait but jot down this piece of story. I woke up this morning and found macOS Mail.app failed to login Gmail. I tried re-login a few times. No success and I left it aside. In a cozy afternoon, I decided to revisit the issue. The first thing…

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OS X Access Control List

A few weeks ago I set up a shared folder on my Mac. To share over LAN with my sister's Macbook. I followed this Apple guide (PH21810). Also created a new user account on my Mac. It's for accessing shared folders and allows me not to grant read permission to…

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