To share a map you must first save it via the Save As or Save buttons located at the bottom of your map. You then click on the Share button to the right of the Save As and Save buttons. There you will see three options, choose the middle option.
2. Email Map
You can share your map by using mapright's official email. Just add your recipient's emails into the text box, separating each email with a comma and space, and hit send.
Tip: Make sure to add an eye catching picture to your emails by uploading one in your Save As pop up.
See video below for a visual example.