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SPF records

Posted on 2014-03-06
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Last Modified: 2014-03-06
We have two Spam filters, Barracuda and Spamhaus that are rejecting our company Emails to our customers. Mxtoolbox gave me SPF warnings and our ISP ,Godaddy said they didn't think our SPF record looked correct.

this is what we have in the SPF record now
v=spf1 include:mail.domainname.com ~all

What should it look like?

thanks.
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Question by:raffie613
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Justin Yeung earned 500 total points
ID: 39910123
this is the article explain it.

http://www.openspf.org/SPF_Record_Syntax

and I use to use the generator

http://www.spfwizard.net/

include will pass to the SPF record of the domain after it, however if that is the same domain who does it.

it will fail since it pass to it.
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Author Comment

by:raffie613
ID: 39910165
So does this sound like a reason why these spam filters are blocking their company Emails?

I have managed Mx and DNS records before and never needed an SPF record created at the Hosted name server.
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Expert Comment

by:Justin Yeung
ID: 39910175
You can do a instead of include
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Expert Comment

by:Justin Yeung
ID: 39910179
Yes some relay require SPF in order to process the mail
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Author Comment

by:raffie613
ID: 39910191
ok at this part in the wizard
IP addresses in CIDR format that deliver or relay mail for this domain:

Do I enter the external IP address for the mail server or the internal network ip?
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Expert Comment

by:Justin Yeung
ID: 39910205
External
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Expert Comment

by:Justin Yeung
ID: 39910209
Or use mix that use name and or both
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Expert Comment

by:Justin Yeung
ID: 39910210
Mx
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Author Comment

by:raffie613
ID: 39910249
what do I put the /subnet mask on? 32?
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Expert Comment

by:Justin Yeung
ID: 39910315
Yes if you are single ip
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Author Comment

by:raffie613
ID: 39910322
"v=spf1 mx a ip4:1XX.2XX.68.162/29 ?all"

Do I put the quotes in as well or leave them off?
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Expert Comment

by:Justin Yeung
ID: 39910348
v=spf1 mx a ip4:1xx.2xx.68.162/29 a:yourdomain.com -all

if you have multiple domain that send email off from this SMTP

v=spf1 mx a ip4:1xx.2xx.68.162/29 a:yourdomain.com;yourdomain1.com -all

just build it off from the generator, make your life much easier.

http://www.spfwizard.net/
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Author Comment

by:raffie613
ID: 39910377
that was from the generator but it had those quotes around it. was just wondering if I include them
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Expert Comment

by:Justin Yeung
ID: 39910565
yes
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