[ I am not on this mailing-list ] This shouldn't affect folks in the PCRE realm, but rather than have you be bitten by something hidden: the host which is:
* lists.pcre.org * bugs.pcre.org * vcs.pcre.org * wiki.pcre.org (but that just redirects to GitHub) is now using DNSSEC validation in its DNS resolver, and filtering out RFC1918 addresses from domains too (to protect against DNS rebinding attacks). It's a fairly vanilla install of Unbound, it can be reconfigured to whitelist any domains needed. We're also likely to start using DNSSEC validation for email flowing through this host, via DANE (this is opt-in on a per domain basis and has no impact on domains which don't publish the relevant records); the MTA on port 26 will get this configured before the MTA on the regular port 25. If you want to be kept in the loop on these changes, drop me a note. Regards, -Phil
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