mail servers also try over and over, usually for at least a day before
they give up.  i've looked at the source of emails that were delayed
before and you often see a large time lag somewhere along the route
where there were problems for a while though sometimes that's just from
one machine (one that your mail is going through) being down for a few
hours.  sometimes email takes seconds or a second, sometimes it takes
minutes or hours from the same people.

Russell McMahon wrote:
>
> > I suspect if the internet was down, then your email, which travels on the
> > internet, wouldn't make it.
>
> NSlookup failed . It seemed the DNS system may habe been down.
> Mayhaps sefvices using specific domain names would work OK.
> As email is isp-isp I imagine that they don't depend on DNS the way the
> browser does.
> Not that I know enough about the detail to be sure I'm not talking rubbish
> :-)
>
>         RM
>
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