62b5598596
* init * fix typos and remove console log * fix linter and typos * move mail to internal * naming enhancements and remove gmailauth * add message * fix linter * fix comment tabulation * fix comment * change flow * escape subject * add q encoding to msg fields * fix typo * fix comment tabulation * lil comment fix
78 lines
1.3 KiB
Go
78 lines
1.3 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information
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package mail
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import (
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"crypto/tls"
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"net"
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"net/mail"
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"net/smtp"
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"github.com/zeebo/errs"
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)
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// SMTPSender is smtp sender
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type SMTPSender struct {
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ServerAddress string
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From mail.Address
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Auth smtp.Auth
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}
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// SendEmail sends email message to the given recipient
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func (sender *SMTPSender) SendEmail(msg *Message) error {
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host, _, err := net.SplitHostPort(sender.ServerAddress)
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if err != nil {
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return err
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}
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client, err := smtp.Dial(sender.ServerAddress)
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if err != nil {
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return err
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}
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// close underlying connection
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defer func() {
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err = errs.Combine(err, client.Close())
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}()
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// send smtp hello or ehlo msg and establish connection over tls
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err = client.StartTLS(&tls.Config{ServerName: host})
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if err != nil {
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return err
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}
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err = client.Auth(sender.Auth)
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if err != nil {
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return err
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}
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err = client.Mail(sender.From.Address)
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if err != nil {
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return err
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}
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// add recipients
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for _, to := range msg.To {
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err = client.Rcpt(to.Address)
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if err != nil {
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return err
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}
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}
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data, err := client.Data()
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if err != nil {
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return err
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}
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defer func() {
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err = errs.Combine(err, data.Close())
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}()
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_, err = data.Write(msg.Bytes())
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if err != nil {
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return err
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}
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return client.Quit()
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}
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