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Re: SPF Support -> Re: MX Domain Name --> Was Re: Some Ideas I would like to Bounce off ya

2004-02-12 08:36:39
On Thu, 12 Feb 2004 09:30:29 EST, Hector Santos said:

In our work,  it became a design requirement to add a "SPF Domain List"
holding a list of domains to check.  I will now add AOL.COM to that default

Then your design is broken, unless you want to keep doing

Let me check the other top dogs...,,,, did not have txt records.

*THIS* for every domain that sends you mail.  If you have any sense,
you'd make a cronjob that greps through the mail logs at 2AM and does 
a 'dig $FOO txt' for all domains that you got mail from that weren't
already in your list.

Remember that there's a good chance that 75% of your mail *isnt* from the
"top dogs".  And if you're relying on manual checking you might as well
go back to HOSTS.TXT.

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