On 2016-10-31, Jeff Ross <jr...@openvistas.net> wrote: >> The example with received-on will fix this. > > That worked--I'll try to extend that for the other types of traffic I > have on the existing server.
Careful you don't open up a mail relay if you do that with SMTP. The traffic you'll get after, say 24h after DNS TTLs expire, is not likely to be high quality traffic..
