I don't think this article mentions it, but you should probably rotate your DKIM keys on a periodic schedule. Consequences for not doing so range from possible

I don't think this article mentions it, but you should probably rotate your DKIM keys on a periodic schedule. Consequences for not doing so range from possible key compromise to losing the United States Presidency.[1] [1] https://blog.erratasec.com/2016/10/yes-we-can-validate-wikileaks-emails.html https://blog.erratasec.com/2016/10/yes-we-can-validate-wikil...