func (e *Email) SetHost(host string) *Email {
	e.Host = host
	return e
}
SetHost Set Host
package aemail
import (
	"github.com/jordan-wright/email"
	"log"
	"net/smtp"
)
type Email struct {
	From     string    
	To       []string  
	Cc       []string  
	Bcc      []string  
	Title    string    
	Text     string    
	Html     string    
	Password string    
	Address  string    
	Host     string    
	FilePath []string  
}
func (e *Email) SetFrom(from string) *Email {
	e.From = from
	return e
}
func (e *Email) SetTo(to []string) *Email {
	e.To = to
	return e
}
func (e *Email) SetTitle(title string) *Email {
	e.Title = title
	return e
}
func (e *Email) SetText(text string) *Email {
	e.Text = text
	return e
}
func (e *Email) SetHtml(html string) *Email {
	e.Html = html
	return e
}
func (e *Email) SetPassword(password string) *Email {
	e.Password = password
	return e
}
func (e *Email) SetAddress(address string) *Email {
	e.Address = address
	return e
}