var$addr_from;// From: Label of sender (name but can contains an email inside <>)
var$addr_from;// From: Label and EMail of sender (must include '<>'). For example '<myemail@mydomain.com>' or 'John Doe <myemail@mydomain.com>' or '<myemail+trackingid@mydomain.com>')
// Sender: Who send the email ("Sender" has sent emails on behalf of "From").
// Use it with an email from a sending host from is a SPF protected domain and sending host is not this domain.
// Use it when the "From" is an email of a domain that is a SPF protected domain, and sending smtp server is not this domain. In such case, use for Sender an email of the protected domain.
// Return-Path: Email where to send bounds.
var$errors_to;// Errors-To: Email where to send errors.