xlsxToMail

    sqlQuery := `SELECT * FROM table`
rows,_:=conn.Query(sqlQuery)
mail:=xlsxToMail.New()
mail.MailServer=xlsxToMail.MailServer{
	Smtp: "smtp.yandex.ru",
	Port: "465",
	Username: "login@yandex.ru",
	Password:"dsfsdfsfsd",

}

mail.MailSettings=xlsxToMail.MailSetting{
	Subject: "test",
	From:    "login@yandex.ru",
	To:      []string{"dd@mail.ru"},
	Charset: "utf-8",
}
mail.ExelFileSettings=xlsxToMail.ExelFileSetting{
	SheetName: "test",
}
mail.SendFile(*rows)