[Mailman-Users] 4.3.0 mail transport unavailable
Stephen J. Turnbull
stephen at xemacs.org
Sun Jun 15 02:04:28 CEST 2014
Conrad G T Yoder writes:
> I have recently (last couple weeks?) started getting "4.3.0 mail
> transport unavailable” bounces from roadrunner/TW addresses (the
> rate-limiting issue is not currently rearing its head), and that is
> causing Mailman (2.1.17) subscriptions to be disabled. Example
> error message in the “Bounce action notification” email:
Note that the message you're reporting is a temporary failure (that's
what a 4.x.x status code means) so I don't really understand why the
bounce count is being incremented for this. Whichever MTA is actually
talking to Time-Warner should be bumping this to a 5.x.x "permanent"
failure (in this case, giving up after trying repeatedly).
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