* Barry Warsaw <[email protected]>: > On Jul 12, 2011, at 01:06 PM, Ian Eiloart wrote: > > >Bouncing certainly is suboptimal, since it may create collateral spam. Better > >to reject the message at SMTP time with a 5xx response than to bounce. > > That's an interesting take on it. The LMTP server in Mailman could reject > messages addressed to disabled lists, and that 5xx error should propagate > through the MTA.
Is disabling a list a temporary measure? If it is, should the server reply a
temporary error?
421 <domain> Service not available, closing transmission channel
(This may be a reply to any command if the service knows it
must shut down)
450 Requested mail action not taken: mailbox unavailable
(e.g., mailbox busy)
Or is it permanent?
550 Requested action not taken: mailbox unavailable
(e.g., mailbox not found, no access, or command rejected
for policy reasons)
p@rick
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