On Wed, 23 Jun 2004, Thomas Berger wrote: > Hello Davide & list, > > I have one piece of mail which cannot be delivered: > > The target domain has 3 MX entries: > > 20 buch.biblio.etc.tu-bs.de. > 58 rzcomm5.rz.tu-bs.de. > 10 mailscan.biblio.etc.tu-bs.de. > > MX 10 seems to be filtered by a firewall or a spam policy going > wild (responds to ping, connect to port 25 times out). > > MX 20 seems to be shielded by policy (only allows local connects?) > reports with a bit atypical message 520 (but "5" IMHO is quite > correct: This MX permanently won't accept [my] mail) > > MX 58 would accept the mail, but XMAIL (1.20, WinNT) doesn't even try > to connect to this MX. Here is the complete slog of the delivery > attempt:
The 5xx responses are for definitive errors. Why should a server be listed as MX record to spit out 5xx responses for such domain? - Davide - To unsubscribe from this list: send the line "unsubscribe xmail" in the body of a message to [EMAIL PROTECTED] For general help: send the line "help" in the body of a message to [EMAIL PROTECTED]
