It also has to do with people not understanding DSN. Seriously they are ugly and hard to find the relevant information in them...
On Thu, Dec 10, 2015 at 2:11 AM, Ian Eiloart <i...@sussex.ac.uk> wrote: > > > On 8 Dec 2015, at 18:31, Franck Martin <fmar...@linkedin.com> wrote: > > > > Yes, reject > > > > It seems that email systems that send you a DSN because of a temporary > rejection are becoming rarer… > > Well, that might be an artefact of more reliable mail systems, and market > concentration around medium and large mail providers that tend to fix > things quickly when they do go wrong. I think Exim has a default first > warning after 24 hours. > > But really, that’s not the responsibility of the recipient’s mail > provider, it’s the responsibility of the sender’s mail provider. > > -- > Ian Eiloart > Postmaster, University of Sussex > +44 (0) 1273 87-3148 > >
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