MailTo is a standard html function that allows users to send emails from their browser by clicking on it. The click on "mailto" opens the client side default email client like Outlook, Thuderbird whichever is configured and set as default. The email etc fields are pre filled with the ones set in mailto tag.

Mailto allows for configuring to send single or more than 1 recipient as follows:

Mailto Syntax and Examples

Send email to a single person:

    <a href="">

Send email to a multiple recipients:

    <a href=",">

Send mailTo with Subject

    <a href=" Site">

Send MailTo with a Copy(CC), BCC, Subject and Body:

    <a href=" Site&body=Great Tutorial">