func newMail(id int) M.Mail { mail := M.Mail{} mail.Id = id mail.ToMail = "*****@*****.**" mail.ToName = sql.NullString{"Abdullo", true} mail.ToType = "to" mail.FromMail = "*****@*****.**" mail.FromName = sql.NullString{"hrkb", true} mail.Subject = sql.NullString{"notification", true} mail.Html = sql.NullString{"<h1>long interestin html</h1>", true} mail.Text = sql.NullString{"some text", true} return mail }