Thus spake Sam Varshavchik on Thu, May 13, 2004 at 07:44:48PM CDT
> 
> The 4xx causes the sender to retry the delivery attempt, with the remaining 
> recipients, later.  What this accomplishes is that the list of recipients 
> that do content filtering are separated from those that don't, and there's 
> a separate delivery attempt for each group of recipients.

How many mail servers or clients that talk SMTP will continue a session
after a 412 error?  Are they required to by RFC?  Squirrelmail aborts with
an error and "Unknown Response".  ssmtp likewise aborts.  Will courier get
past this point?  I can force the issue if I'm talking SMTP directly to the
server, but it seems that at least some corresponding clients will abort a
session if they receive any response from the server is _other_ than a 200
class response.

-- 
Lindsay Haisley       | "Everything works    |     PGP public key
FMP Computer Services |       if you let it" |      available at
512-259-1190          |    (The Roadie)      | <http://www.fmp.com/pubkeys>
http://www.fmp.com    |                      |


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