Re: SPF Record with Multiple Servers

Hello Halassy, thanks for your reply.

I'm aware of the syntax, I just mistyped it.

The main question still continues, should I put both MTAs or just the Inter=
net facing one?

Thanks in advance,

Sent from my iPhone

On 25/04/2013, at 05:14, "Halassy Zolt=E1n" <[email protected]> wrote:

> Hello!
>=20
> Using MX in SPF record is a simple way to describe trivial two-way setups=
, that is, MX will also send the mails, not just receive them. If you have =
a non-trivial setup, you can use, for example IP addresses, like ip6: and i=
p4:. Add every address which from a mail could possibly leave your organiza=
tion, and that's it, do not use MX. BTW, the syntax is v=3Dspf1, not what y=
ou wrote.
>=20
> 2013-04-25 01:32 keltez=E9ssel, Vin=EDcius Ferr=E3o =EDrta:
>> I've a question about the SPF setup in my domain.
>>=20
>> We have two MTAs: an exchange server that does not use SMTP to relay mes=
sages to the Internet and a Postfix Mail Gateway on the border to send and =
receive messages to/from the internet.
>>=20
>> The clients connect on the Exchange Server to relay messages to the exte=
rnal world. So an SMTP connection would start in the Exchange, then it rela=
ys to the Postfix server and then to the Internet. On the other hand when a=
 message come from the Internet it first arrives in the Postfix server and =
after the processing it's handled to the Exchange server.
>>=20
>> The question is: which SPF TXT string I should use?
>>=20
>> The Postfix server is my only MX. And I don't know if I should include t=
he Exchange Server name in the SPF rules.
>>=20
>> I was considering: vspf=3D1 mx -all
>>=20
>> But this does not include the Exchange, and I don't know if it's right o=
r not.
>=20
>=20