 |  |
Be careful with this, if you run any type of form to mail script on a
Re: spf support in QuickDNS?
From: admin@gippy.net
Date: Monday, August 16, 2004
Time: 9:38:35 pm
web server, and you are using php mail, sendmail, etc. to process and
send the mail instead of directing it through your SMTP server (if
they are not one in the same, though we run a collection of stand
alone dedicated e-mail servers) then any mail generated from scripts
on clients web sites will not be coming from your MX record for the
virtual domains.
It would probably be wise to include the IP address of the server
running the virtual hosting account, generally at least with
sendmail/php's mail function it would be the primary IP address
attached to the server, even in the case of a web site with its own IP
address configured in apache.
On Mon, 16 Aug 2004 20:57:53 -0700
Men & Mice Support <cbuxton@menandmice.com> wrote:
>I would guess that the following would also work for your virtual
>domains:
>
>virtual.com. TXT v=spf1 mx -all
>____________________________________________________________________
>Chris Buxton Men & Mice
>Customer Support Specialist Making DNS Easy
>
>At 9:37 PM -0400 8/16/04, Codger wrote:
>>Well, the pobox.com docs just didn't address it. Here's how I dealt
>>with virtual domain spf records. They all simply point back to the
>>mail servers spf like so:
>>
>>virtual.com TXT v=spf1 redirect=realmail.net
>>
>>realmail.net TXT v=spf1 a mx ~all
>>
>>Curiously I had the 'ptr' paramater in the line and Chris Buxton told
>>me that was a security concern, so I took it out.
>>
>>On Aug 16, 2004, at 8:11 AM, Joe D'Andrea wrote:
>>
>>>At 8:14 PM -0500 3/26/04, codger wrote:
>>>>Hmmm. This is what I have. Why do you have two entries, Chris? Is
>>>>there something I'm missing here? Do I need to have TXT records for
>>>>all virtual domains? (I didn't think so from the docs on SPF that I
>>>>read from pobox.com some time back.)
>>>
>>>Where do you see in the docs that you wouldn't need TXT(SPF) records
>>>for all virtual domains?
>>>
>>>I would think that one would need them. In fact I just added TXT(SPF)
>>>records for the domain that my main mail server is in (west21.com). I
>>>tested it with e-mail addresses in the main domain name
>>>(joedan@west21.com) and the SPF tests "passed". Then I tested using
>>>addresses in client domains that originate from the same server and
>>>are sent through the same MX. They all were "Received-SPF: unknown
>>>(no rule found)"
>>>
>>>So we're adding SPF records to every domain we host DNS and/or mail
>>>for.
>>>
>>>~joe
>>>
>>>
>>
>>Kindest regards,
>>
>>Ron
>>
>>"What shall we do? What shall we do?" he cried, "Escaping goblins to
>>be caught by wolves!" - Bilbo Baggins
>>
>>The Hobbit by J. R. R. Tolkein
>>http://www.apple.com/trailers/newline/returnoftheking/trailer_large.html
>
>
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