46 lines
		
	
	
		
			907 B
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			46 lines
		
	
	
		
			907 B
		
	
	
	
		
			Go
		
	
	
package handlers
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import (
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	"errors"
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	"net/smtp"
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	"strings"
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)
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// mailer provides fields of email configuration for sending.
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type mailer struct {
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	Addr, Username, Password, From string
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	Insecure                       bool
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	To                             []string
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}
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// sendMail allows users to send email, only if mail parameters is configured correctly.
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func (mail *mailer) sendMail(subject, message string) error {
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	addr := strings.Split(mail.Addr, ":")
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	if len(addr) != 2 {
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		return errors.New("invalid Mail Address")
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	}
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	host := addr[0]
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	msg := []byte("To:" + strings.Join(mail.To, ";") +
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		"\r\nFrom: " + mail.From +
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		"\r\nSubject: " + subject +
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		"\r\nContent-Type: text/plain\r\n\r\n" +
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		message)
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	auth := smtp.PlainAuth(
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		"",
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		mail.Username,
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		mail.Password,
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		host,
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	)
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	err := smtp.SendMail(
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		mail.Addr,
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		auth,
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		mail.From,
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		mail.To,
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		msg,
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	)
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	if err != nil {
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		return err
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	}
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	return nil
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}
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