On Sun, 13 Apr 2008, Barry Shein wrote: > > For example, and it's only an example don't quibble the example, > defining a list of return SMTP codes which are actually specific and > meaningful like (let's assume they should be 5xx, maybe 7xx would be a > better start? Policy failure codes) > [...] > and so on, a taxonomy which could then at least be dealt with > intelligently by sending MTAs and supporting software rather than each > side cooking up their own stuff.
See RFC 3463. Unfortunately it doesn't help much to solve the problem it was designed for. I ranted about this a while back... http://www.ietf.org/mail-archive/web/ima/current/msg00588.html Tony. -- f.anthony.n.finch <[EMAIL PROTECTED]> http://dotat.at/ BAILEY: NORTHWESTERLY 6 TO GALE 8, VEERING SOUTHEASTERLY 4 OR 5. MODERATE OR ROUGH. RAIN OR SHOWERS, THEN FAIR. MODERATE OR GOOD.