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   Taylor R Campbell (riastradh@mastodon.sdf.org)'s status on Monday, 29-Jan-2024 21:37:24 JST Taylor R Campbell

   Do you run a mail server, or own a domain example.com that you send mail from?

   PSA about the Coming DKIMpocalypse on Thursday when Google and Yahoo tighten mail rules:

   https://support.google.com/a/answer/81126?hl=en
   https://senders.yahooinc.com/best-practices/

   1/3. The mail server must sign outgoing mail with DKIM. You generate a key pair called “foo” (e.g., with opendkim-genkey), configure your mail server to use it, and publish the public key in the DNS like:

   foo._domainkey.example.com. IN TXT (
   "v=DKIM1; k=rsa; "
   "p=..."
   )