DKIM error

Problem reported by Patrick Mattson - 1/3/2018 at 2:44 PM

Resolved

Have a customer I have set up her DKIM properly. When I send to Google as a test I get the following error in the header

ARC-Authentication-Results: i=1; mx.google.com;
dkim=neutral (bad format) header.i=@example.com

I am currently running version 16.3.6572.

I pass the mxtoolbox tests. My current settings

Body Canonicalization: Simple
Header Canonicalization: Simple
Header Fields to Use: All non-repeatable fields (This field I changed but the only thing it did was change my DNS record and key)

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Employee Replied

1/3/2018 at 3:18 PM

Employee Post

Hi Patrick. I have a build that will fix this issue. Please uninstall your current version of SmarterMail 16, and then download and install this version.

echoDreamz Replied

1/4/2018 at 9:57 PM

Yep, we reported this and was supposed to be fixed.

Patrick Mattson Replied

1/5/2018 at 6:12 AM

That seems to have fixed it. Some users reported emails started working again. Thanks.

Andreas Huber Replied

1/25/2018 at 5:25 AM

Hello Rod,
I've the version: 16.3.6572 - it's resolved on this version?
I'm not sure if it's the same problem.
When I test DKIM on this site: http://dkimvalidator.com/
I get:
Validating Signature
result = fail
Details: OpenSSL error: data too small for key size

Testing here http://www.appmaildev.com/en/dkim/
I get:
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=jervispereira.pt; s=cloudvps;
DKIM-Result: permerror (h=headers absent)

Is this related?
On other sites the validate the DKIM it look normal.

Do you have any suggestion?

Regards,
Helio Felix

Andreas Huber Replied

2/1/2018 at 9:08 AM

Resolved with Upgrade to version 16.3.6600 (Jan 26, 2018).

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