[Mailman-Users] some users recive email but they can't send

[Daniel Hernandez]

Thanks, Steff.

At Wed, 30 Jun 2010 14:29:12 +0100,
Steff Watkins wrote:
> 
> > Remote host said: 554 <chile-datos at mail.degu.cl>: Relay access denied
> 
> Second thought on this (still not a Mailman problem, OK?)
> 
> Has the user concerned setup their mail client to correctly authenticate
> with the mail server?
> 
> It could be that their mail client is using the correct transmission
> path but when trying to negotiate with the mailserver it has not been
> setup to properly authenticate them with that mailserver.
> 
> As such, the email would be from an "unauthorised user" and so would be
> bounced back.
> 
> Again, this is mainly an anti-spam measure.
> 
> Regards,
> S Watkins
> ---------------
> Steff Watkins    Natural History Museum, Cromwell Road, London, SW7 5BD
> Systems programmer   Email: s.watkins at nhm.ac.uk 
> Systems Team    Phone: +44 (0)20 7942 6000 opt 2
> ========
> Many were increasingly of the opinion that they'd all made a big mistake
> in coming down from the trees in the first place. And some said that
> even the trees had been a bad move, and that no one should ever have
> left the oceans. - HHGTTG
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