what is a SPF (type 99) record and who do I implement?

[Security Admin (NetSec)]

Correction.  I found many sites which discuss what it is, but none that explicitly tell me how to implement in my hosts file.

If the below implementation is correct, let me know.

Thanks again in advance!!

Edward Ray

From: Baird, Josh [mailto:jbaird at follett.com]
Sent: Wednesday, March 24, 2010 11:55 AM
To: Security Admin (NetSec); bind-users at lists.isc.org
Subject: RE: what is a SPF (type 99) record and who do I implement?

You struggled to find anything about SPF?

http://www.zytrax.com/books/dns/ch9/spf.html

Josh

From: bind-users-bounces+jbaird=follett.com at lists.isc.org [mailto:bind-users-bounces+jbaird=follett.com at lists.isc.org] On Behalf Of Security Admin (NetSec)
Sent: Wednesday, March 24, 2010 1:54 PM
To: bind-users at lists.isc.org
Subject: what is a SPF (type 99) record and who do I implement?

Struggled to find anything explicit on this subject via google to no avail.  Best Explanation I could find was http://www.enyo.de/fw/software/exim/spf-update.html#6

Currently hosts file looks like:


Mydomain.com       172800  IN TXT  "v=spf1 mx -all"
Mydomain.com       172800  IN SPF  "v=spf1 mx -all"
Mydomain.com       172800  IN MX   10 Mail.Mydomain.com
Mail.Mydomain.com  172800  IN A    vvv.xxx.yyy.zzz


Is this correct?  FYI not using DNSSEC

Thanks in advance!

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