Based on the headers of the message you sent here (to mailop), you have yet to 
actually publish a public key in DNS. 

https://tools.wordtothewise.com/dkim/check/warwickri/1677852725

laura 

> On 3 Mar 2023, at 14:12, Salvatore Jr Walter P via mailop <mailop@mailop.org> 
> wrote:
> 
> We are in the final stages of migrating our exchange server from 2013 to 2019.
> I found out we had no SPF, DMARC, DKIM etc setup on our domains.
>  
> Trying to get us setup properly and have SPF and DMARC working, DKIM is 
> another story.
> Setup on the server, sent the key to our ISP for the DNS to be added.
> Headers show the signature is being included.
>  
> DKIM-Signature: v=1; a=rsa-sha256; d=redacted.gov <http://redacted.gov/>; 
> s=1; c=relaxed/relaxed;
>         t=1677851456; h=from:subject:to:date:message-id;(rest of key)
>  
>  
> Also from the headers:
>  
> Authentication-Results: inbound.redacted.net <http://inbound.redacted.net/>;
>  spf=pass smtp.mailfrom=redacted@ redacted.gov <http://redacted.gov/>;
>  dkim=fail header.d= redacted.gov <http://redacted.gov/>;
>  dmarc=pass (policy=none; pct=100; status=pass);
>  arc=none
>  
> Any suggestion where to go from here? We are having all emails blocked by 
> AT&T, no idea why so trying to get all our ducks in a row and make sure we 
> are doing everything the “right” way.
> _______________________________________________
> mailop mailing list
> mailop@mailop.org <mailto:mailop@mailop.org>
> https://list.mailop.org/listinfo/mailop

-- 
The Delivery Experts

Laura Atkins
Word to the Wise
la...@wordtothewise.com         

Email Delivery Blog: http://wordtothewise.com/blog      






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