SPF, Hotmail, and Yahoo mail

Nicholas Leippe nick at leippe.com
Mon Jun 25 16:29:55 MDT 2007

On Monday 25 June 2007, Dave Smith wrote:
> Some alert readers may recall a discussion I started some time back
> trying to solve the mystery of why hotmail would drop my emails. Today I
> finally setup an SPF record for my domain hoping to solve the as yet
> unresolved problem. Does anyone know how long it ought to take hotmail
> to notice my SPF record? And more imprtantly: will it even make a
> difference?
> According to dnsreport.com, the SPF record showed up immediately, but
> enterprisey services like hotmail tend to cache stuff like this I
> imagine. Thoughts?

Shouldn't be longer than your dns ttl I would think.

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