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Validation fixes

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This commit is contained in:
Neil Alexander
2021-07-08 22:40:21 +01:00
parent f9ae101d38
commit f0f07218c6
1 changed files with 2 additions and 3 deletions
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5
internal/smtpserver/session_remote.go
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@@ -27,13 +27,12 @@ func (s *SessionRemote) Mail(from string, opts smtp.MailOptions) error {
return fmt.Errorf("mail.ParseAddress: %w", err)
}
pks, err := hex.DecodeString(host)
pks, err := hex.DecodeString(s.state.RemoteAddr.String())
if err != nil {
return fmt.Errorf("hex.DecodeString: %w", err)
}
remote := base62.EncodeToString(pks)
if local := s.state.RemoteAddr.String(); local != remote {
if remote := base62.EncodeToString(pks); host != remote {
return fmt.Errorf("not allowed to send incoming mail as %s", from)
}