There have been several reports of Apple's Mail application not functioning properly and crashing with an unexpected quit. For some, it seems the crashes occur randomly, but for others the crashes ...

Email security company Mimecast has disclosed today that a "sophisticated threat actor" compromised one of the certificates the company issues for customers to securely connect Microsoft 365 Exchange ...

It appears that Google’s Gmail SMTP (send mail) server might have let their secure certificate expire. I personally just got notified that the smtp.gmail.com server was not secure due to the ...

Here is a list of the best free online SSL certificate checker tools that let you check and verify the SSL certificate on a web server. SSL stands for Secure Socket Layer which is basically an ...

A reader reported receiving a message in Google Search Console about a self-signed SSL certificate. Google has been sending warnings about this for years. A self-signed SSL certificate is one that is ...