Hi Andrey,
Thank you. I have been trying to figure out how to use your example. But
the email that I receive from it are plain text even the encoded attached
file. It does not appear as attached but as encoded characters in the mail
body. And there is still no attachment seen. I tried modifying your example
but to no avail. I end up using your example code per code but still does
not work. Please see below excerpt of my code where I call your example in
a function I called "attachToEmail". I have a send mail function
"sendEmail" using smpt:
I do not know which part I am missing. I have been trying to figure this
out for more than a week now.
func sendEmail(email string, typeOfEmail int, lastInsertedId int) {
/*e := email.NewEmail()
e.From = "em...@email.com"
e.To = []string{emails}
e.Bcc = []string{""}
e.Cc = []string{""}
e.Subject = "Text Receipt"
e.Text = []byte("This is to confirm that we received your email.")
if IncludeEmailDump {
e.Text = []byte(getStats(emails, lastInsertedId))
}
e.HTML = []byte("<h1>Fancy HTML is supported, too!</h1>")
e.Send(EmailHostName, smtp.PlainAuth("", EmailUserName,
EmailServerPassword, EmailHostName))*/
addr := EmailHostName + ":" + EmailServerPort
fromName := "emailFrom"
fromEmail := "em...@email.com"
toNames := []string{"Client"}
toEmails := []string{email}
subject := "Email"
body := "This is to confirm that we received your email."
if IncludeEmailDump {
body = body + getStats(email, lastInsertedId)
}
// Build RFC-2822 email
toAddresses := []string{}
for i := range toEmails {
mAdd := mail.Address{}
mAdd.Name = toNames[i]
mAdd.Address = toEmails[i]
toAddresses = append(toAddresses, mAdd.String())
}
toHeader := strings.Join(toAddresses, ", ")
fAdd := mail.Address{}
fAdd.Name = fromName
fAdd.Address = fromEmail
fromHeader := fAdd.String()
subjectHeader := subject
header := make(map[string]string)
header["To"] = toHeader
header["From"] = fromHeader
header["Subject"] = subjectHeader
header["Content-Type"] = `text/html; charset="UTF-8"`
msg := ""
for headerKey, headerValue := range header {
msg += fmt.Sprintf("%s: %s\r\n", headerKey, headerValue)
}
msg += "\r\n" + body
bMsg := []byte(msg)
// Send using local postfix service
smtpPostfix, err := smtp.Dial(addr)
if err != nil {
logError(err.Error())
}
defer smtpPostfix.Close()
if err = smtpPostfix.Mail(fromHeader); err != nil {
logError(err.Error())
}
for _, addr := range toEmails {
if err = smtpPostfix.Rcpt(addr); err != nil {
logError(err.Error())
}
}
smtpData, err := smtpPostfix.Data()
if err != nil {
logError(err.Error())
}
_, err = smtpData.Write(bMsg)
if err != nil {
logError(err.Error())
}
attachToEmail(smtpData, "file.txt", "boundary1234567890")
err = smtpData.Close()
if err != nil {
logError(err.Error())
}
err = smtpPostfix.Quit()
if err != nil {
logError(err.Error())
}
//attachToEmail(email)
}
func attachToEmail(writeToEmail io.Writer, filename string, boundary
string) {
fmt.Fprintf(writeToEmail, "\n--%s\n", "\n\n")
fmt.Fprintf(writeToEmail, "\n--%s\n", boundary)
contents, err := os.Open(filename)
if err != nil {
fmt.Fprintf(writeToEmail, "Content-Type: text/plain; charset=utf-8\n")
fmt.Fprintf(writeToEmail, "could not open file: %v\n", err)
} else {
defer contents.Close()
//fmt.Fprintf(writeToEmail, "Content-Type: application/octet-stream\n")
fmt.Fprintf(writeToEmail, "Content-Type: application/octet-stream;
charset=utf-8\n")
fmt.Fprintf(writeToEmail, "Content-Transfer-Encoding: base64\n")
fmt.Fprintf(writeToEmail, "Content-Disposition:
attachment;filename=\"%s\"\n\n", filepath.Base(filename)+".gz")
fmt.Fprintf(writeToEmail, "\n--%s\n", boundary)
fmt.Fprintf(writeToEmail, "\n\n\n")
b64 := base64.NewEncoder(base64.StdEncoding, writeToEmail)
gzip := gzip.NewWriter(b64)
io.Copy(gzip, contents)
//io.Copy(b64, contents)
gzip.Close()
b64.Close()
}
fmt.Fprintf(writeToEmail, "\n--%s\n", boundary)
}
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