spfdiscuss at alandoherty
Oct 7, 2010, 11:08 AM
Post #10 of 12
(4598 views)
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Re: Re: SPF for multiple domains sharing a single IP address
[In reply to]
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>Andrew & Alex,
>
>I paid close attention to your responses and these are my settings:
>
>1) My IP address is 66.232.109.196, which is used by my email server
{and a few different websites. } irrelevant
>My email will never originate from any other IP address, if it does, I want it to be considered a forgery.
ok
>2) All of my websites use the following SPF record: "v=spf1 ip4:66.232.109.196 -
>all".
your websites ?? i assume you mean all the domains from which you want to send mail
(please mention websites no more)
>3) My DNS provider is DNSMadeEasy, each website's SPF record was given the name
>of it's respective domain, i.e. NAME: mujer-nueva.com, DATA (TXT): "v=spf1
>ip4:66.232.109.196 -all"
fine
>I think that everything is OK with my SPF.
it sounds like it MAY be
>Messages sent to:
>
>Yahoo -> Inbox
>Hotmail -> Spam Folder
>GMail -> Spam Folder
>
>Does Hotmail and GMail require something other than SPF?
OMG! i don't know where to start here, obviously they need more than SPF, if they even use spf at all
the decision of whether it goes to inbox or spamfolder is based on literally hundreds of variables (of which spf can be one) an spf fail will get spamfoldered but a pass is meaningless from a spam/not-spam decision making process (most career spammer use SPF too) the spam/not-spam decision is based on how reputable you mail sending server looks, whether it is well known and whether the content looks good. that is all.
as far as how reputable your server looks you can check my simple guide here
http://www.alandoherty.net/info/mailservers/ for some basic tips
other than that its just a matter of time till your server is well known and earns a good reputation, new servers obviously start with a negative rep, as spammers do setup new servers daily to keep ahead of blacklists (or rather re-use old servers on new ip's with new names) if you complete all the steps on the above guide 'properly' and wait you will eventually earn a good reputation, and end up on their internal 'whitelists' (as long as your users don't send any spam)
Man what a question!!, spf is an anti-forgery system to stop forgers (some of which might be spammers) forging your domain-names, nothing more, it has zero impact on spam (other than helping identify forgeries as spam, a spf-fail is a negative score, an spf pass is a 0)
>Respectfully yours,
>
>Jeff
>
>
>P.S. I have no open relays, I never spam, have no intentions of spamming, in a
>nutshell I hate spam.
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