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Re: Enable SPF in postfix and Bind9??

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Den 29. okt. 2015 22:27, skrev Jochen Spieker:
> cosme@crearq.co.cu:
>> To apply SPF to control mails as well as spoofing
>> users and more.
>> - I have a server with postfix mail for local users which is
>> assigned to use SASL to prevent spoofing mails.
>> - I have a postfix mail sever face as internet gateway both cases
>> Debian.
>> and Bind9 the internet facing server and enable SPF to prevent
>> from outside can send emails to my local domain as if they were
>> internal users ??
>> spamassasin use and amavisd-new also
>> As might enable it ???
> I have trouble comprehending what exactly you are saying and I am not
> sure whether you are actually knowing what you are doing, but in order
> to enable SPF for a domain, all you need to do is add a TXT record for
> this domain with content like "v=spf1 mx -all". That instructs receiving
> systems to only accept mails from the MX for your domain.
>
For the other direction (incoming), check out debian package
postfix-policyd-spf. I am currently using a locally adjusted copy, but
at least in wheezy a standard setup using that package worked as
advertised for me. Pretty sure the same holds for jessie.

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Enable SPF in postfix and Bind9?? cosme@crearq.co.cu - 2015-10-29 21:10 +0100
  Re: Enable SPF in postfix and Bind9?? Jochen Spieker <ml@well-adjusted.de> - 2015-10-29 22:30 +0100
    Re: Enable SPF in postfix and Bind9?? Håkon Alstadheim <hakon@alstadheim.priv.no> - 2015-10-30 08:50 +0100
      Re: Enable SPF in postfix and Bind9?? Jochen Spieker <ml@well-adjusted.de> - 2015-10-30 12:00 +0100

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