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Ensure that authentication was successfull before we relay mails

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This commit is contained in:
Bernhard Froehlich
2018-12-26 19:35:38 +00:00
parent 72dad9fb70
commit 38aa14ddbf
1 changed files with 4 additions and 0 deletions
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4
main.go
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@@ -122,6 +122,10 @@ func authChecker(peer smtpd.Peer, username string, password string) error {
} }
func mailHandler(peer smtpd.Peer, env smtpd.Envelope) error { func mailHandler(peer smtpd.Peer, env smtpd.Envelope) error {
if *allowedUsers != "" && peer.Username == "" {
return smtpd.Error{Code: 530, Message: "Authentication Required"}
}
peerIP := "" peerIP := ""
if addr, ok := peer.Addr.(*net.TCPAddr); ok { if addr, ok := peer.Addr.(*net.TCPAddr); ok {
peerIP = addr.IP.String() peerIP = addr.IP.String()