spf-discuss
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what to do about subdomains?

2004-01-08 16:37:24
I just realized that, while I have an SPF record for gladstonefamily.net, there is nothing to stop somebody from sending mail from foo.gladstonefamily.net as the sending domain. This particular domain does not exist. Alternatively, somebody could use a name that does exist in my domain.

What should I do? Does every single entry in the domain need an SPF record, including a wildcard? This could be a configuration nightmare.

What am I missing?

Philip

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