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Re: need help with forged To and From

From: Scott Kitterman (postfixkitterman.com)
Date: Sun Aug 08 2010 - 15:19:10 CDT

"donovan jeffrey j" <donovanbeth.k12.pa.us> wrote:

>
>On Aug 8, 2010, at 2:16 PM, <JunkYardMail1Verizon.net> <JunkYardMail1Verizon.net> wrote:
>
>> http://www.openspf.org/
>>
>
>thanks for the reply,
>since this is not postfix related. I have to go off list. but before I go
>
>i get a little confused when reading the SPF docs. It seems to easy.
>from what i understand I can add a TXT line in my dns config,
> IN TXT "v=spf1 a:example.com -all"
>
>or
>
>example.com. 10800 IN TXT "v=spf1 a:host.example.com -all"
>
>
>do i apply this for the whole domain or just what hosts I authorize to send mail.
>Do i need to apply a record for my MX server ?
>
>The only systems that should be sending mail with my domain are two SMTP relays.; smtp1 and smtp2 respectively.
>-j

See http://www.openspf.org/Forums for information on how to subscribe to the spf-help mailing list. The question is on topic there.

Scott K