PermError SPF Permanent Error: Too many DNS lookup

email gmail spam sendgrid spf
n92 picture n92 · Mar 27, 2013 · Viewed 15.7k times · Source

I have SPF and TXT record configured. When i check the SPF record syntax. It says PermError SPF Permanent Error: Too many DNS lookup.

 v=spf1 include:_spf.google.com include:netcore.co.in ~all

And my emails are landed in SPAM as well.

1) I am on shared hosting, I dont have dedicated IP and DKIM configured. Actually I dont send emails with spam triggering words. Since I am on shared hosting. Is there any possibility of other's on the shared hosting sending the emails which resulted in my emails to land in SPAM.

2) I am using the netcore.co.in to send the mass mails. and google.com to send the mails from gmail. And I have properly configured MX records as well. I have mentioned google MX records But not netcore.net MX records. I am using sendgrid's free smtp server to send the emails from my java web app. which i am not mentioned in spf record. Is SPF record causing the spam issues.

Answer

Swift picture Swift · Mar 27, 2013

You should have a look at this question I answered a few weeks ago:

Too many DNS lookups in an SPF record

You only get 10 DNS lookups for SPF (that's part of the protocol). There are automatically two lookups to get your TXT records and the actual SPF record. Without doing the actual math (I'll leave that to you as an exercise), you're hovering in the neighborhood of 13-14 lookups. You need to either consolidate your SPF records into one, or drop one of those services. (For instance, SendGrid allows you to do both transactional and mass mail under one set of IPs, so you could drop netcore or gmail entirely).

As for your spam issue, you should contact SendGrid support (http://support.sendgrid.com), that shouldn't be happening to you and they will be able to help you troubleshoot and resolve the issue.

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