/
email.go
61 lines (45 loc) · 1.41 KB
/
email.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
package main
import (
"crypto/tls"
"fmt"
"log"
"net/mail"
"net/smtp"
)
func sendEmail(recipientAddress string, subject string, messageBody string) {
if !siteDataLoaded {
log.Panic("Outgoing email siteData have not been set. Cannot send message.")
}
from := mail.Address{Name: siteData.NoReplyAddressName, Address: siteData.NoReplyAddress}
headers := make(map[string]string)
headers["From"] = from.String()
headers["To"] = recipientAddress
headers["Subject"] = subject
message := ""
for headerName, headerValue := range headers {
message += fmt.Sprintf("%s: %s\r\n", headerName, headerValue)
}
message += "\r\n" + messageBody
mailAuth := smtp.PlainAuth("", siteData.NoReplyAddress, siteData.NoReplyPassword, siteData.Host)
tlsConfig := &tls.Config{
InsecureSkipVerify: true,
ServerName: siteData.Host,
}
tcpConnection, error := tls.Dial("tcp", siteData.Host+":"+siteData.Port, tlsConfig)
panicOnError(error)
smtpClient, error := smtp.NewClient(tcpConnection, siteData.Host)
panicOnError(error)
error = smtpClient.Auth(mailAuth)
panicOnError(error)
error = smtpClient.Mail(siteData.NoReplyAddress)
panicOnError(error)
error = smtpClient.Rcpt(recipientAddress)
panicOnError(error)
emailStream, error := smtpClient.Data()
panicOnError(error)
_, error = emailStream.Write([]byte(message))
panicOnError(error)
error = emailStream.Close()
panicOnError(error)
smtpClient.Quit()
}