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10 Nov 2014, 04:42 AM | #1 |
Master of the @
Join Date: Nov 2002
Location: Ultima Thule
Posts: 1,657
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Different ADSP values for DKIM keys with domains hosted at FastMail
Hi, everyone!
I own about 20 domains and I host my DNS with FastMail for all of them. However, in the "DKIM signing keys" section at the bottom of the "Virtual Domains" screen, some of them are listed as "Unknown" in the pull down menu of the Author Domain Signing Practices (ADSP) column on the right (those domains I added several years ago) and some as "All" (those I added recently, the last 4 domains only). I wonder why this difference exists for various domains, it seems to have no relation to either a registrar (some domains with the same registrar are shown as "Unknown", others as "All"), or whether I use a "catch all" alias, etc. As I mentioned, the only difference seems to be chronological. Could anyone please explain to me why email for different domains with identical setup is signed differently? |
10 Nov 2014, 10:04 AM | #2 |
Intergalactic Postmaster
Join Date: May 2004
Location: Irving, Texas
Posts: 8,929
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DKIM ADSP choices
The ADSP box on the Virtual Domains screen is something you change yourself. So you need to apply the policy as you see fit, no matter what is currently set. As long as the Set column is active [*], the ADSP choice you make is applied after you click the Save Changes button. To test this:
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10 Nov 2014, 05:05 PM | #3 |
Master of the @
Join Date: Nov 2002
Location: Ultima Thule
Posts: 1,657
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Thank you for such a detailed answer, Bill! All tests have been consistent.
It is also interesting to me how the ADSP choice is initially selected when you first host your DNS records with FM. I have access to a friend's account (he owns several domains, and asked me to set them all up, he doesn't mess with any settings), and I see the same picture - some of them are "All", some "Unknown" and it seems arbitrary. I wonder what affects the default ADSP choice for a particular domain. |
11 Nov 2014, 07:07 PM | #4 |
Cornerstone of the Community
Join Date: Jan 2014
Posts: 561
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I have all of my domains set to "discard", since that is the strictest setting.
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