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John Glube wrote:
I travel a lot and use my laptop while on the road, connecting through my
wireless connection. Should this not be possible, I want to be able to
use any machine that is available at the time, along with any Internet
connection to send email through my server.
Delivery of my personal, business and transactional email is mission
critical. I can't afford to have this kind of email go missing because of
a problem with mail forwarding and SPF.
Would you advise this individual to publish a closed or open SPF record,
given the present state of the email infrastructure?
[Also,] Would you advise EarthLink to publish a closed or open SPF
record?
In both cases, the prudent answer is to publish an open SPF
record.
No. The prudent answer is to use authenticated SMTP submission over port
587, and to SPF-authorized your MSA.
Stuart D. Gathman wrote:
It really is *not* hard to secure your mail infrastructure. It just
requires dropping the "but we never did it that way before" attitude.
Exactly.
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