William and all,
Thanks MUCH for the help.
Think I'm all good now!
Dave
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-----Original Message-----
From: william(at)elan.net [mailto:william(_at_)elan(_dot_)net]
Sent: Friday, February 17, 2006 4:05 PM
To: spf-discuss(_at_)v2(_dot_)listbox(_dot_)com
Subject: RE: [spf-discuss] Local SPF tool
On Fri, 17 Feb 2006, Beach Computers wrote:
Using MSDNS this is the record I have, but getting mixed answers from
different sites:
@ TXT ("v=spf1 a mx"
" ip4:69.93.89.98 ip4:69.93.89.99
ip4:69.93.89.100"
" ip4:69.93.89.101 ip4:69.93.89.102
ip4:69.56.240.80 ip4:69.56.240.81"
" ip4:69.56.240.82 ip4:69.56.240.83
ip4:69.56.240.84 ip4:69.56.240.85"
" ip4:69.56.240.86 ip4:69.56.240.87
ip4:70.84.106.132 ip4:70.84.106.133"
" ip4:70.84.106.134 ip4:70.84.106.135
ip4:70.84.106.136 ip4:70.84.106.137"
" ip4:70.84.106.138 ip4:70.84.106.139
ip4:70.84.106.140 ip4:70.84.106.141"
" ip4:70.84.106.142 ip4:67.18.13.202
ip4:67.18.13.203 ip4:67.18.13.204"
" ip4:67.18.13.205 ip4:67.18.13.206"
" mx:beachcomp mx:mail.beachcomp.com -all" )
First of all you should avoid using multiple TXT parts although in practice
the result would be the same as you're careful enough to add spaces as first
symbol of next part. But bigger problem is that you need to think if there
is a need to use both mx and list every system by ip address. One of the MXs
- "mx:beachcomp" is also not quite valid (or rather not what you inteded). I
also think you need to get familiar with network concept called
"summarization" (as it applies to ip addresses at least). Te following would
for example provide exactly the same information and is much shorter:
"v=spf1 a mx ip4:69.93.89.98/31 ip4:69.93.89.100/31 ip4:69.93.89.102
ip4:69.56.240.80/29 ip4:70.84.106.132/30 -ip4:70.84.106.143
ip4:70.84.106.136/29 ip4:67.18.13.202/31 ip4:67.18.13.204/31
ip4:67.18.13.206 mx:mail.beachcomp.com -all"
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companies.
Beach Computers cannot assure that the integrity of this communication
has been maintained or that it is free of errors, virus, interception
or interference.
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