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Don't lookup mail server when using sendmail (#22300) (#22383) 

Fix #22287
backport #22300
This commit is contained in:
Lunny Xiao 2023-01-10 01:18:03 +08:00 committed by GitHub
parent 16d7596635
commit 32999e2511
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 14 deletions
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31
modules/setting/mailer.go
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@ -179,14 +179,25 @@ func newMailService() {
// we want to warn if users use SMTP on a non-local IP;
// we might as well take the opportunity to check that it has an IP at all
ips := tryResolveAddr(MailService.SMTPAddr)
if MailService.Protocol == "smtp" {
for _, ip := range ips {
if !ip.IsLoopback() {
log.Warn("connecting over insecure SMTP protocol to non-local address is not recommended")
break
// This check is not needed for sendmail
switch MailService.Protocol {
case "sendmail":
var err error
MailService.SendmailArgs, err = shellquote.Split(sec.Key("SENDMAIL_ARGS").String())
if err != nil {
log.Error("Failed to parse Sendmail args: '%s' with error %v", sec.Key("SENDMAIL_ARGS").String(), err)
}
case "smtp", "smtps", "smtp+starttls", "smtp+unix":
ips := tryResolveAddr(MailService.SMTPAddr)
if MailService.Protocol == "smtp" {
for _, ip := range ips {
if !ip.IsLoopback() {
log.Warn("connecting over insecure SMTP protocol to non-local address is not recommended")
break
}
}
}
case "dummy": // just mention and do nothing
}
if MailService.From != "" {
@ -215,14 +226,6 @@ func newMailService() {
MailService.EnvelopeFrom = parsed.Address
}
if MailService.Protocol == "sendmail" {
var err error
MailService.SendmailArgs, err = shellquote.Split(sec.Key("SENDMAIL_ARGS").String())
if err != nil {
log.Error("Failed to parse Sendmail args: %s with error %v", CustomConf, err)
}
}
log.Info("Mail Service Enabled")
}