package main import ( "strings" // "errors" "bytes" "fmt" "github.com/davecgh/go-spew/spew" // "log" // "os" // "strconv" // "net" "net/mail" // "net/smtp" ) type EmailHeaders map[string]string type EmailBody string type EmailCtx struct { Headers EmailHeaders Body EmailBody } func (headers EmailHeaders) String() string { var buffer bytes.Buffer for k, v := range headers { buffer.WriteString(fmt.Sprintf("%s: %s\r\n", k, v)) } return buffer.String() } func (body EmailBody) String() string { res := string(body) if false { spew.Dump(res) } return res } func NewEmail() *EmailCtx { email := EmailCtx{} email.Headers = make(EmailHeaders) return &email } func encodeRFC2047(text string) string { // use mail's rfc2047 to encode any string addr := mail.Address{text, ""} return strings.Trim(addr.String(), " \"<@>") } func (email *EmailCtx) MakeHeaders(config EmailConfig) { email.Headers["Return-Path"] = config.From email.Headers["From"] = config.From email.Headers["To"] = config.To email.Headers["Subject"] = encodeRFC2047(config.Subject) // email.Headers["Content-Type"] = "text/plain; charset=\"us-ascii\";" email.Headers["Content-Type"] = "text/plain; charset=\"utf-8\";" email.Headers["Content-Transfer-Encoding"] = "base64" email.Headers["MIME-Version"] = "1.0" return } func (email *EmailCtx) MakeBody(content string) { email.Body = EmailBody(content) if false { spew.Dump(email.Body) } return }