Arrl mail

John D. Hays john at
Thu Jun 9 15:59:03 PDT 2011

Using spf records helps cut down on forged email addresses, see
John D. Hays
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K7VE Blog <>  / SIP: john at
PO Box 1223, Edmonds, WA 98020-1223
Fix the Federal Tax and pay less than 1% -

On Thu, Jun 9, 2011 at 3:51 PM, Bill V WA7NWP <wa7nwp at> wrote:

> On Thu, Jun 9, 2011 at 3:12 PM, Jeff Francis™ <jfrancis at> wrote:
> >  One of a long list of reasons why dual-homing is critical these days (or
> > at least dual mailservers on completely different IP ranges).  That way
> you
> > can flip your DNS to the alternate site/network/mailserver when your
> > netblock gets blacklisted until you can clear things up.
> Ok...  I know, and am finally using, a backup MX scheme so if the
> primary mailserver has an issue at least the mail will have a place to
> go to until the primary is back on line.   Is that what you're talking
> about or do you have some magic where it's possible to have mail
> delivered and picked up from both a primary host and a secondary
> that's ready to take over if there are problems with the primary?
> Thanks,
> Bill
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