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  1. Mario vs Sonic

    2011-01-23 18:44:23

    I was always interested how sites like spamarrest work. Hard to implement, but worth to try.

  2. Devang Patel

    2012-07-12 08:50:46

    Hi we are using exchange 2010 and google apps both. we have mail flow like internet to exchange 2010 to google apps ( if email id not found in exchange 2010 then only) we have added the spf records with the entire subnet of ISP we are getting. still in header it shows spf: fail Regards Devang

  3. James

    2013-12-29 13:50:42

    By the way: It is almost 2014 now, SPF is still not as widely accepted as it would need to be for any effect. SPAM is largely uneffected by it. SRS is also not really adopted (because it is a pain in the ass), so the same old problem mailforward for a few users remains, which gets more annyoing in the time of the NSA spies. So my conclusion and recommendation is: Do not use SPF and don't publish any SPF records. Use domainkeys if you need to prevent sender spoofing, but don't be tricked to believe it would help against SPAM. It is just creating much less collateral damage.


    2020-08-27 08:56:52

    I have used this method to create a simple domain name system record. It has come out very well. The examples that you have attached to this post were so perfect. Keep adding such useful information to this forum.

  5. Houston Popcorn Ceiling Pros

    2021-05-29 14:34:08

    If you have a lot of ip addresses from which mail is send and a lot of domains, you don’t want to edit all DNS entries of all your domains if one ip address changes.

  6. Kimberly

    2021-05-29 15:06:59

    You’ll probably want to check if everything is okay. So this method is appropriate nowadays for

  7. Roofing RB

    2021-05-29 15:08:13

    Just make your own _spf domain with a SPF record and include it in the SPF records of all other domains.

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    2021-06-17 12:36:49

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