Spam

How to view full email headers in the Mail app on Mac

Full Email Headers on Mac Mail

Email headers contain important details that you may want to view at some point. You can find out the originating and destination email addresses, the path the message takes, the servers the email passes through, the dates and times of the activity, and much more.

These types of details are helpful in tracing messages, investigating spam, and troubleshooting.

So, if you are interested in this information, here’s how to view full email headers in the Mail app on Mac.

iOS 12 lets developers create extensions for reporting unwanted texts and calls as spam

iOS 10 included a CallKit framework that brought a system-wide way for customers to use specialized apps on their iPhone, like Hiya and TrueCaller, that automatically identify and block nuisance calls before the phone even rings. With iOS 12, Apple started allowing developers to write new types of call-blocking extensions that gather information from the user before deciding whether to report or block the number.