BIND Community Support,
I am inquiring about how to setup a proper SPF record? I know there are
SPF wizards/generators available but each seem to have a different
"opinion" of what should be included and what should not be included.
Let me give you a scenario of my setup, and hopefully someone can help
me out.
My domain is: test.com
My mailserver hostname is: mail.host.com which also has a MATCHING PTR
record
mail.host.com (for example) resolves to 50.1.1.1 and 50.1.1.1 resolves
to mail.host.com
This is a STANDALONE mail server without any VIP's or load balancing.
There is however one additional host that will send out mail from the
domain but it wont be receiving mail, it will only be used as an SMTP
server attached to a website automailer... It only generates error
reports and sends them out... so technically it isn't a full mail server
but it will be sending (outbound only) mail on behalf of the domain.
The additional host is: mail2.test.com which resolves to 50.2.2.2 and
there is a Matching PTR.
These are the ONLY mail servers and IP addresses that will be sending
out mail from the test.com domain. Some websites say I should use -all
and others say -all will cause some MTA's to reject and ~all is better
to use even if those are the only two hosts sending out mail.
Would you be able to assist with a solid SPF record?
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