setup SPF record

hi,

I am trying to install a spam mail server in our company, our mail server using POP3 and they said we can setup SPF record in here to block the spoof mail,  I just wonder how to setup this record, can somebody help me?

Thanks
Simon ChenNetwork AdministratorAsked:
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UbertamSenior TechnicianCommented:
A SPF record shows people you're sending to that you're allowed to send.  It's so your mail goes through, not to prevent spam.

Here's all the details: http://www.openspf.org/

A standard SPF record is as follows:

v=spf1 mx -all

This tells servers that check SPF records: Mail being sent from domain.com is allowed to be sent by a server located at the same IP address as the MX record (mail.domain.com, for instance, your Exchange server).  Do not trust any mail sent from anything except my one host (mail.domain.com).
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UbertamSenior TechnicianCommented:
Here is a link that will help you implement a check of SPF records for your anti-spam solution:

http://www.openspf.org/Implementations

It has instructions for many AntiSpam software.
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UbertamSenior TechnicianCommented:
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UbertamSenior TechnicianCommented:
Also see: http://search.cpan.org/dist/Mail-SPF/
And: http://search.cpan.org/dist/Mail-SPF/bin/spfquery

Both of those look like they work with SA
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Simon ChenNetwork AdministratorAuthor Commented:
ok
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