101 lines
2.2 KiB
Go
101 lines
2.2 KiB
Go
package lib
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import (
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"crypto/tls"
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"net/smtp"
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"os"
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)
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func SendEmail(to_email string, from_email string, from_name string, html string, subject string) {
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LogInfo.Println("Starting email sending process")
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// Set up authentication information.
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auth := smtp.PlainAuth(
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"",
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os.Getenv("SMTP_USERNAME"),
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os.Getenv("SMTP_PASSWORD"),
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os.Getenv("SMTP_HOST"),
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)
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LogSuccess.Println("Authentication set up")
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// Connect to the server, authenticate, set the sender and recipient,
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// and send the email all in one step.
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msg := []byte("From: " + from_name + " <" + from_email + ">\r\n" +
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"To: " + to_email + "\r\n" +
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"Subject: " + subject + "\r\n" +
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"Content-Type: text/html; charset=UTF-8" + "\r\n" +
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"\r\n" +
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html + "\r\n")
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tlsconfig := &tls.Config{
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InsecureSkipVerify: false,
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ServerName: os.Getenv("SMTP_HOST"),
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}
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LogSuccess.Println("TLS configuration set up")
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c, err := smtp.Dial(os.Getenv("SMTP_HOST") + ":587")
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if err != nil {
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LogError.Println("Error dialing SMTP server:", err)
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return
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}
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LogSuccess.Println("Connected to SMTP server")
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if err = c.StartTLS(tlsconfig); err != nil {
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LogError.Println("Error starting TLS:", err)
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return
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}
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LogInfo.Println("TLS started")
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if err = c.Auth(auth); err != nil {
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LogError.Println("Error authenticating with SMTP server:", err)
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return
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}
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LogSuccess.Println("Authenticated with SMTP server")
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if err = c.Mail(from_email); err != nil {
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LogError.Println("Error setting sender address:", err)
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return
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}
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LogSuccess.Println("Sender address set")
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if err = c.Rcpt(to_email); err != nil {
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LogError.Println("Error setting recipient address:", err)
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return
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}
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LogSuccess.Println("Recipient address set")
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w, err := c.Data()
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if err != nil {
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LogError.Println("Error getting write closer:", err)
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return
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}
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LogSuccess.Println("Got write closer")
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_, err = w.Write(msg)
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if err != nil {
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LogError.Println("Error writing message:", err)
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return
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}
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LogSuccess.Println("Message written")
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err = w.Close()
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if err != nil {
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LogError.Println("Error closing write closer:", err)
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return
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}
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LogSuccess.Println("Write closer closed")
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c.Quit()
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LogSuccess.Println("Email sent successfully")
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}
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