On Mon, Nov 03, 2003 at 09:44:26PM -0500, Philip Gladstone wrote:
| I'll try and put together some tests using my DNS server (which I can
| control). I'll let you have the records once I have that all working.
| What DNS server software do you use -- i..e what should the zone file
| look like. I'm using tinydns so that format would be best for me.
|
i am using tinydns also.
i would like to make the { } optional when the %xx matches \b%xx\b, do
you think that's a good idea? so you can say ptr:%d2. reversal
notation would still need the { } of course.
the following looks like a pretty good first approximation of the
fallback domain.
|
| p.s. This is the current set of records that I have generated:
|
| idigjesus.com IN TXT "v=spf1 ptr:rr.com default=softdeny"
| esmx10.mattel.com IN TXT "v=spf1 mx default=softdeny"
| e.delta.com IN TXT "v=spf1 ptr:%{d2} default=softdeny"
| ebay.com IN TXT "v=spf1 ptr default=softdeny"
| lists.sourceforge.net IN TXT "v=spf1 mx default=softdeny"
| dalsemi.com IN TXT "v=spf1 ptr default=softdeny"
| rcn.com IN TXT "v=spf1 ptr:rcn.net default=softdeny"
| syslang.net IN TXT "v=spf1 mx default=softdeny"
| v2.listbox.com IN TXT "v=spf1 mx default=softdeny"
| paypal.com IN TXT "v=spf1 mx default=softdeny"
|
| The SPF record at gladstonefamily.net looks good
|
| returns.groups.yahoo.com IN TXT "v=spf1 ptr:%{d2} default=softdeny"
| redhat.com IN TXT "v=spf1 ptr default=softdeny"
| Realtor.com IN TXT "v=spf1 pi default=softdeny"
|
| The idigjesus.com line was some mail order pharmacy spam. I have fairly
| agressive RBL filtering before it gets to this stage.
|
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